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Chemical Formulas and Chemical Compounds Answer Key: Mastering the Basics
Are you struggling to decipher the cryptic language of chemical formulas and compounds? Do you find yourself staring blankly at a periodic table, overwhelmed by the seemingly endless possibilities of molecular combinations? You're not alone! Understanding chemical formulas and compounds is fundamental to grasping chemistry, but it can be challenging for beginners. This comprehensive guide serves as your ultimate "chemical formulas and chemical compounds answer key," providing clear explanations, practical examples, and helpful tips to solidify your understanding. We'll cover everything from basic nomenclature to more complex compound structures, ensuring you can confidently tackle any chemical formula you encounter.
Introduction: Unveiling the World of Chemical Formulas
Chemical formulas are the shorthand notation used by chemists to represent the composition of chemical compounds. They tell us which elements are present and in what proportions. Understanding these formulas is crucial for predicting chemical reactions, understanding molecular structure, and interpreting experimental data. This post acts as your go-to resource, offering explanations, examples, and a structured approach to mastering chemical formulas and compounds.
H2: Deciphering Chemical Formulas: A Step-by-Step Guide
Chemical formulas follow specific rules. Let's break down the key components:
H3: Elements and Symbols:
Every chemical formula begins with the elements involved. Each element is represented by its unique chemical symbol (e.g., H for hydrogen, O for oxygen, Na for sodium). You’ll find these symbols on the periodic table, your indispensable tool in understanding chemical formulas.
H3: Subscripts: Indicating Quantity
Subscripts are the small numbers written to the lower right of an element's symbol. They indicate the number of atoms of that element present in a molecule. For example, in H₂O (water), the subscript "2" signifies two hydrogen atoms, while the absence of a subscript after "O" implies one oxygen atom.
H3: Parentheses and Coefficients:
Parentheses are used when a group of atoms acts as a single unit. A subscript outside the parenthesis applies to all the atoms within. For instance, in Ca(NO₃)₂, the subscript "2" applies to the entire nitrate (NO₃) group, indicating two nitrate units. Coefficients are numbers placed before a formula, indicating the number of molecules. 2H₂O means two water molecules.
H2: Types of Chemical Compounds:
Chemical compounds can be categorized based on their bonding characteristics:
H3: Ionic Compounds:
Ionic compounds are formed through the electrostatic attraction between oppositely charged ions (cations and anions). They typically involve a metal and a non-metal. For example, NaCl (sodium chloride, or table salt) is an ionic compound formed from Na⁺ (sodium cation) and Cl⁻ (chloride anion).
H3: Covalent Compounds:
Covalent compounds are formed by the sharing of electrons between non-metal atoms. Water (H₂O) is a classic example of a covalent compound, with oxygen sharing electrons with two hydrogen atoms.
H3: Acids and Bases:
Acids generally contain hydrogen ions (H⁺) that can be released in a solution. Bases typically contain hydroxide ions (OH⁻). Understanding acid-base chemistry often involves working with chemical formulas to balance reactions.
H2: Naming Chemical Compounds: Nomenclature
The systematic naming of chemical compounds (nomenclature) follows specific rules based on the type of compound.
H3: Ionic Compounds Nomenclature:
The name of an ionic compound usually consists of the cation name followed by the anion name. For example, MgCl₂ is named magnesium chloride.
H3: Covalent Compounds Nomenclature:
The nomenclature for covalent compounds uses prefixes (mono-, di-, tri-, etc.) to indicate the number of each type of atom. For example, CO₂ is carbon dioxide.
H2: Practice Problems and Examples:
Let's test your understanding with some examples:
What is the chemical formula for carbon dioxide? Answer: CO₂
How many atoms are present in H₂SO₄ (sulfuric acid)? Answer: 7 (2 hydrogen, 1 sulfur, 4 oxygen)
Name the compound with the formula FeCl₃. Answer: Iron(III) chloride
Working through practice problems is crucial for consolidating your understanding. Many chemistry textbooks and online resources provide ample practice exercises with answer keys.
Conclusion: Mastering Chemical Formulas and Compounds
Understanding chemical formulas and compounds is the cornerstone of chemistry. By mastering the basics—elements, symbols, subscripts, and nomenclature—you'll unlock a deeper understanding of chemical reactions and the composition of matter. Remember to utilize the periodic table, practice regularly with examples, and don't hesitate to consult resources for clarification. With consistent effort, you'll confidently navigate the world of chemical formulas and compounds.
FAQs
1. Where can I find more practice problems and answer keys for chemical formulas? Many online resources and chemistry textbooks offer practice problems with solutions. Search for "chemical formula practice problems" on the internet.
2. What are some common mistakes students make when writing chemical formulas? Common mistakes include forgetting subscripts, incorrectly using parentheses, and misinterpreting coefficients.
3. How can I memorize the chemical symbols for common elements? Use flashcards, create mnemonics, and regularly refer to the periodic table. Focus on the most frequently used elements first.
4. Are there online tools that can help me check my chemical formula answers? Yes, several online calculators and simulators can verify chemical formulas and balance equations.
5. Is there a difference between an empirical formula and a molecular formula? Yes, an empirical formula shows the simplest whole-number ratio of atoms in a compound, while a molecular formula shows the actual number of atoms in a molecule.
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| chemical formulas and chemical compounds answer key: FOOD & BEVERAGE MANUAL GIANCARLO PASTORE, 2021-04-10 Colossal book per il settore ristorazione. Sono affrontate le tematiche dal budget al controllo di gestione. Ampio spazio all'organizzazione della sala ristorante, bar, cucina. Food cost e beverage cost. Dizionario traduttore gastronomico in cinque lingue. Revpash, Calcolo revpar presenze, Revpasf, Revpath, Net rev par, Costi mese bkf, INDICATORI DI REDDITIVITÀ, R.O.E., E.B.I.T., E.B.I.T.D.A. Manuali di procedure per tutti i reparti. ABSTRACT DESCRIZIONE LIBRO Colossal book per il settore ristorazione. Sono affrontate le tematiche dal budget al controllo di gestione. Ampio spazio all'organizzazione della sala ristorante, bar, cucina. Food cost e beverage cost. Dizionario traduttore gastronomico in cinque lingue. Revpash, Calcolo revpar presenze, Revpasf, Revpath, Net rev par, Costi mese bkf, INDICATORI DI REDDITIVITÀ, R.O.E., E.B.I.T., E.B.I.T.D.A. Manuali di procedure per tutti i reparti. SOGGETTO: Economia / Industria / Management CONTENUTI DEL LIBRO EMPATIA IL TUO BRAND? Il food & beverage manager _ L’hotel è suddiviso in dipartimenti (dpt) SUDDIVISIONE RICAVI/REVENUE PER REPARTI DPT F.&B. & RELATIVI COSTI Job description _ L’INTERVISTA PER UN POSTO DI LAVORO _ COME INTERVISTARE IL CANDIDATO CURRICULUM VITAE & SELF MARKETING _ MOTIVAZIONE Percentuali & calcolo _ SCONTISTICA _ ESERCIZI Metriche_ performance _ REVPASH _ CALCOLO REVPAR PRESENZE _REVPASF_ REVPATH _ NET REV PAR _COSTI MESE BKF Indicatori di redditività _ R.O.E. _ E.B.I.T. _ E.B.I.T.D.A. Imposta tassa tributo _ IMPOSTE DIRETTE E LE IMPOSTE INDIRETTE I.V.A. _ Significato _ Imponibile _ IMPRESA - AZIENDA – DITTA BUDGET _ FORECAST _ CONTROLLO DI GESTIONE (CdG) _ ANALYSIS IL BUDGET È BEN PIÙ DI UNA SEMPLICE PREVISIONE _ Bilancio di previsione Budget GD HTL ROYAL esempio _ LA CREAZIONE DI UN BUDGET MAPPATURA ROOMS DIVISION GD HTL ROYAL BUDGET POTENTIAL REVENUE ROOMS DIVISION GD HTL ROYAL BUDGET Presenze / rooms & percentuali SEGMENTAZIONE DI MERCATO Revenue /produzione METRICHE BUDGET ROOMS DIVISION GD HTL ROYAL BUDGET ROOMS DIVISION GD HTL ROYALCOMMISSIONI % Termini MKTG COSTI BUDGET ROOMS DIVISION GD HTL ROYAL COSTI ROOMS DIVISION DPT GOAL…YES MAN CASE HISTORY ROOMS DIVISION DPT ORGANIGRAMMA & COSTI PAURA & RABBIA Budget DPT FOOD & BEVERAGE REVENUE DPT F&B STATISTICHE COSTI BUDGET DPT F&B esempio COSTI DPT F&B SEGMENTI DI COSTO SUDDIVISI PER REPARTI esempio FORECAST COSTI PERSONALE LABOUR COST DPT F&B esempio ANALYSIS COSTI PERSONALE LABOUR COST DPT F&B esempio VG BAR BUDGET esempi o BVG COFFEE + THE-TEA BREAK esempio BVG BISTROT OPEN SPACE + RST MILANO esempio FOOD CUCINA RST MILANO esempio FOOD CUCINA BISTROT “OPEN SPACE” esempio FOOD CUCINA BNQ esempio FOOD CUCINA SERVITO AL BAR esempio FOOD CUCINA ROOM SERVICE esempio FOOD CUCINA + BVG BREAKFAST esempio NOLEGGIO BIANCHERIA DPT F&B esempio MAPPATURA DPT F&B esempio SCALA DI YORK P&L Calculation / ANALYSIS GD HTL ROYAL P&L Calculation REPORT GD HTL ROYAL B.E.P. ROOMS DIVISION PRINCIPIO DI PARETO IL DIAGRAMMA DI PARETO BAR INTELLIGHENZIA Beverage cost cocktail esempio Figure professionali Attrezzature IL MARKETING INTERNO Termini al bar LONG DRINKS & INGREDIENTI COCKTAIL & INGREDIENTI Porzionature TASSO ALCOLICO & PORZIONATURE IRISH COFFEE Dove li serviamo Birra BIRRA E DIETA: CONTIAMO LE CALORIE Il malto: cereali germinati in acqua e poi essiccati e torrefatti. Il lievito: bassa e alta fermentazione Il luppolo: il gusto piacevolmente amarognolo della birra L’acqua: non tutte sono uguali per produrre buona birra. Dal malto alla birra: un procedimento pressoché uguale da sempre Composizione nutrizionale Contenuto Calorico Birre & calcoli Classificazione STYLE & TERMINI Scheda controllo gestione PROCEDURA E INSERIMENTO CALCOLO REDDITIVITA’ CONTROLLO AMERICAN BAR CAFFETTERIA SCHEDA INVENTARIO MAGAZZINO BAR Curiosità Fisica e macinatura del caffè Organizzi degustazioni? Prepara un contrattino ICE Carta distillati e acqueviti ACQUEVITI DI FRUTTA ACQUEVITI DI VINACCIA DISTILLATI DI MELE DISTILLATI DI VINO LIQUORI VARI AMARO D'ERBE RHUM RON RUM DISTILLATI E ACQUEVITI Tè CARTA DEI TÈ CARTA DELLE TISANE INFUSI CARTA DEI CAFFE’ CARTA DEGLI ORZI AUTOSTIMA & COMPETENZA CUCINA Chef di cucina profilo professionale LA CUCINA SOLITAMENTE È SUDDIVISA IN PARTITE: Food cost SCHEDE FOOD COST CALCOLO COSTO SCATOLAME MARKETING FOOD BVG E PREZZI DI VENDITA SCARTI E PERDITE DI PESO Brainstorming Breakthrough Organizzazione cucina & logistica Tipologia di cucina Controllo della merce Funzione dei singoli locali Progettazione PENTOLE: & MATERIALI CUCINA SENZA GLUTINE PERDITE MEDIE DI ALCUNE VITAMINE IN SEGUITO A COTTURA (%) PERDITE PERCENTUALI DI VITAMINA C RISPETTO AL TRATTAMENTO DI COTTURA COTTURE & PERDITE DI PROTEINE LE VITAMINE VITAMINE IDROSOLUBILI SOLUBILI IN ACQUA VITAMINA B2: RIBOFLAVINA Alimenti & conservazione MICRORGANISMI I PICCOLI SEGRETI DELLA COTTURA A VOLTE È CAPITATO DI RITROVARE SAPORI ED ODORI SGRADEVOLI IN CIBI SICUREZZA ALIMENTARE UOVO Fisica & chimica Atomi Tavola periodica Il peso e il numero tomico I legami chimici Il legame ionico Il legame covalente Il legame metallico Le reazioni chimiche I metalli I non metalli I composti chimici Acidi e basi STILI DI LEADERSHIP GLOSSARIO ALCUNE FAMIGLIE DI SALI L’ALCHIMIA LA SCOPERTA DEGLI ACIDI LE SOSTANZE BASICHE IL SALE COMUNE MICROCRISTALLI PERCHÉ L’ABBATTITORE: VANTAGGI = RISPARMIO DI TEMPO CONGELAMENTO MONTARE GLI ALBUMI A NEVE ACQUA E SALE CACAO & LAVORAZIONI LE SPEZIE E GLI AROMI DOLCE & SALATO I FUNGHI VELENOSI CONDIMENTI CALORIE & CALCOLI CUCINE ETNICHE KOSHER: LOCALI ETNICI La musica riveste una nota di accoglienza importantissima. Cucina Giapponese Cucina Cinese Cucina Coreana Cucina Pachistana Cucina Indiana Cucina Thailandese Cucina Afghana Cucina Siriana Cucina Araba Cucina del Madagascar Cucina del Marocco Cucina di Zanzibar Cucina Peruviana Cucina Colombiana Cucina Messicana Cucina del Guatemala ANALISI SENSORIALE CURIOSO Com’è nata la toque blanche? IL RISO VENERE COME SONO NATI I RISTORANTI I LATINI DICEVANO “IEIUNARE” L’ETIMOLOGIA È INCERTA LA NATURA MORTA DI CUCINE: DALLA PREGNANTE CONCRETEZZA DEI SENSI AL SOGNO SCOPERTA L’AREA CEREBRALE RESPONSABILE DELL’ABUSO DI CIBO MENU PERIODICI IN ALBERGO CARTA BUFFET INSALATE SEMPLICI & COMPOSTE CARTA DEI CONTORNI CARTA DELLE UOVA CARTA DEI BURRI COMPOSTI CARTA DEL PANE GOURMET & GOURMAND CARTA DESSERT CARTA FORMAGGI ITALIANI CARTA FORMAGGI MONDO CARTA DEI SALI COMPOSIZIONE CHIMICA OLIO OLIVA CARTA OLII EXTRA VERGINE D’OLIVA ITALY CARTA DEGLI OLII EXTRA VERGINE D’OLIVA SPAGNA REQUISITI STRUTTURALI RISTORANTE R.E.I. PROGETTAZIONE AUTOCAD SPAZI MISURE CUCINA LAY OUT DISPOSIZIONE SERVIZI Il manuale e interpretazione LA COMUNICAZIONE DEL MANUALE AL PERSONALE NEOASSUNTO IL FORMATO DEL MANUALE E I SUOI CONTENUTI LA POLITICA QUALITÀ DELL’AZIENDA IL RESPONSABILE DEL QUALITY ASSURANCE “ DISTRIBUZIONI CONTROLLATE E NON CONTROLLATE LE LINEE GUIDA DEL SISTEMA UN TIPICO INDICE DI LINEE GUIDA POTREBBE ESSERE: INDICE DELLE PROCEDURE Metodi comportamentali COME PROPORSI AL CLIENTE COSA EVITARE PRESENTAZIONE ED ORDINE GENERALE ASPETTO ESTERIORE UOMINI DONNE NORME Manuale di procedure cucina LA QUALITÀ DEGLI ALIMENTI LA CONSERVAZIONE DEGLI ALIMENTI NORME GENERALI esempio OPERAZIONE MANI PULITE NORME D’IGIENE - IGIENE NEI LOCALI CUCINA ECONOMATO/MAGAZZINI TOILETTE DEL PERSONALE IGIENE DEI PRODOTTI ALIMENTARI RISPETTARE LE SEGUENTI TEMPERATURE PER UNA CORRETTA CONSERVAZIONE DEI CIBI: MOLTIPLICAZIONE BATTERICA Tossinfezioni BOTULINO SALMONELLA STAFILO-COCCO (AUREO) IGIENE E SICUREZZA BATTERI FRIGGITRICE – esempio GRADO DI BRUCIATURA DEI GRASSI – PUNTO DI FUMO IGIENE DEGLI UTENSILI E MACCHINE Acquisti & controlli INVENTARIO E MAGAZZINO MODULO CARICO / SCARICO MAGAZZINO LE RIMANENZE DI MAGAZZINO: ASPETTI OPERATIVI E CONTABILI ELEMENTI COSTITUTIVI DELLE RIMANENZE CONTROLLO E GESTIONE MAGAZZINI RIFERIMENTI CUCCHIAINO RIFERIMENTI CUCCHIAIO RIFERIMENTI LIQUIDI UNITÀ DI MISURA SISTEMA INTERNAZIONALE ESEMPIO CALCOLO INVENTARIO E PRODUZIONE FOOD & BEVERAGE ESEMPIO INVENTARIO MAGAZZINO CUCINA MODULO GRAMMATURE STANDARD PORZIONI esempio IL CONFEZIONAMENTO DEI PRODOTTI L’ARTE DI SCONGELARE IL FRESCO CONFEZIONATO METODI DI PULIZIA SCALA DEL PH SCHEDE TECNICHE PRODOTTI DI PULIZIA esempio SCHEDE TECNICHE H.A.C.C.P. LOCALI E AREE DEL RISTORANTE esempio BREAKFAST IL SERVIZIO BREAKFAST IN ALBERGO BUFFET UNICO LE UOVA AL BREAKFAST YOGURT BREAKFAST ELENCO FOOD & BEVERAGE MENU DIETETICI PER BEAUTY FARM MENU SETTIMANALE QUANTO CIBO ? kCal MANUALE DI PROCEDURE BKF AL TAVOLO O AL BUFFET LA CLIENTELA ALLESTIMENTO DEL BUFFET MISE EN PLACE DEI TAVOLI PRIMA COLAZIONE IN CAMERA COMPOSIZIONE DEL BREAKFAST SET-UP SERVIZIO BREAKFAST ELENCO FOOD & BEVERAGE ANALYSIS BREAKFAST COSTI RICAVI esempio SALA RISTORANTE ACCOGLIENZA PSICOLOGIA IN SALA RISTORANTE LA CONVERSAZIONE IL CLIENTE SGARBATO PICCOLE ATTENZIONI PER IL MIO OSPITE CONTROLLO CONTINUO DELLO STILE DI SERVIZIO L’ELEGANZA DEL GESTO È ESSENZIALE PER IMPREZIOSIRE LA VENDITA IL MOMENTO PSICOLOGICO DEL CONTO AL CLIENTE JOB DESCRIPTION BRIGATA DI SALA PRIMO MAÎTRE D'HOTEL O DIRETTORE DEL RISTORANTE BANQUETING MANAGER SECONDO MAÎTRE D'HÔTEL TERZO MAÎTRE D’HOTEL MAÎTRE DE RANG CHEF DE RANG CHEF TRANCHEUR COMMIS DE RANG PRIMO MAÎTRE D'ÉTAGE CHEF D'ÉTAGE COMMIS D'ÉTAGE AFFIANCA LO CHEF D'ÉTAGE CONTORNO – DECORAZIONE - GUARNIZIONE SERVIZI IN SALA RISTORANTE Sommelier DECANTER ? – GLACETTE ? – SEAU A GLACE? SERVIZIO LA DEGUSTAZIONE PROFESSIONALE AMBIENTE STRUMENTI FASI DEGUSTAZIONE L’ANALISI VISIVA LIMPIDEZZA INTENSITÀ COLORE L’ANALISI OLFATTIVA INTENSITÀ CARATTERISTICHE AROMATICHE L’ANALISI GUSTATIVA Dolcezza Acidità Tannini Alcool Corpo Intensità dei profumi Caratteristiche dei profumi Struttura Persistenza Qualità AROMI E PROFUMI PRIMARI AROMI E PROFUMI SECONDARI AROMI E PROFUMI TERZIARI Manuale procedure sommelier LAY-OUT STRUTTURA ATTREZZI DEL MESTIERE COME APRIRE UNA BOTTIGLIA DI SPUMANTE DECANTARE O SCARAFFARE COME SERVIRE IL VINO ORDINE DI SERVIZIO TEMPERATURA DI SERVIZIO DEL VINO IL SERVIZIO DI ALTRE BEVANDE LA CANTINA LA BOTTIGLIA IL TAPPO TAPPO COMPOSTO TAPPO AGGLOMERATO TAPPO SINTETICO TAPPO A VITE TAPPO CORONA DIFETTI DEL VINO ENOLOGIA VITIGNI. COSA S’INTENDE PER VITIGNO AUTOCTONO? IN COSA CONSISTE LA VERNACOLIZZAZIONE? ESEMPIO: AGLIANICO SINONIMI ACCERTATI E PRESUNTI L’APPARTENENZA DI UN VITIGNO AD UNA “ FAMIGLIA” È INDICE DELLA SUA ORIGINE? COS’È L’AMPELOGRAFIA? QUALI SONO I PRINCIPALI METODI DI DESCRIZIONE AMPELOGRAFICA? METODI MORFO-DESCRITTIVI METODI CHEMIO-TASSONOMICI ANALISI DEL D.N.A. pH GLI EFFETTI DEL PH NEL VINO SONO: CHIARIFICHE Benchmarking GLOSSARIO VINI WINE Beverage cost esempio ATTINENZE TRA CIBI E COLORI Carta vini esempio VINI BIANCHI VINI ROSSI Carta acque minerali Menu carte & liste LA CARTA MENU LE FASI DEL VENDERE NELLA SUCCESSIONE LOGICA DEI TEMPI COME SI PRESENTA LA SALA RISTORANTE? IL LOCALE RIESCE A DARE UN “ATMOSFERA” FAVOREVOLE? DEFINIZIONE DELL'AMBIENTE IN RELAZIONE AL MENU PROGETTAZIONE DELLA CARTA MENU IL LINGUAGGIO DELLE LISTE CHIAREZZA NEL LINGUAGGIO DENOMINAZIONE DELLE PORTATE MISE EN PLACE Manuale di procedure SALA RISTORANTE Procedure di servizio del personale di sala ristorante Durante il servizio: Fine servizio: Comande Conservare le merci stoccate: Accogliere l’ospite a partire dal n° di posti ristorante pronti per clienti prenotati e walk-in: Ricette per flambèe TAGLIOLINI AL SALMONE FILETTI DI SOGLIOLA ALLA PROVENZALE SCAMPI AL CURRY FILETTO STROGONOFF FILETTO AL PEPE VERDE LA CHIMICA DEL FLAMBÈE CATERING & BANQUETING PRINCIPALI OCCASIONI DI ATTIVITÀ DI BANQUETING: LE PRINCIPALI FASI DEL SERVIZIO DI BANQUETING STUDIO DEL PIANO OPERATIVO REALIZZAZIONE DEL SERVIZIO SMANTELLAMENTO VALUTAZIONI FINALI SCHEDA PROGETTAZIONE FATTIBILITÀ PRODUZIONE BNQ SCHEDA VALUTAZIONE MARKETING HÔTEL Spazi: circonferenze & diametri ALLESTIMENTO SALA BNQ SPAZI: CIRCONFERENZE & DIAMETRI Manuale procedure BNQ IL BUFFET Esempio BROCHURE BANCHETTI PROPOSTE MENU BANCHETTO Ordine di servizio esempio Revenue cost bnq PROCEDURE INSERIMENTO E SVILUPPO BANCHETTISTICA Esempio Contratto CAPARRA CONFIRMATORIA ROOM SERVICE & MINIBAR PROFIT & LOSS STATEMENT PROCEDURE MINIBAR esempio PROCEDURA SET-UP PROCEDURE PER L’APPROVVIGIONAMENTO DEI PRODOTTI STOCCAGGIO, CONTROLLO E SMALTIMENTO PRODOTTI NEI MAGAZZINI PROCEDURE PER IL REFILL DEI MINIBAR NELLE CAMERE GESTIONE DEI PRODOTTI IN SCADENZA GESTIONE DEL MINIBAR TRA FRONT OFFICE E HOUSEKEEPING SERVICE DUTIES MORNING SHIFT 6:30-15:00 INTRODUZIONE ALLE TECNICHE TELEFONICHE AVANTI TUTTA Traduttore gastronomico culinario ANTIPASTI APPETIZERS HORS D'HOEUVRE ENTREMESES VORSPEISEN CARNI FREDDE COLD MEATS VIANDES FROIDES FIAMBERS KALTER FLEISCHAUFSCHNITT TARTELLETTE TARTLETS TARTELETTES TARTALETAS TÖRTCHEN MINESTRE SOUPS POTAGES SOPAS SUPPEN PASTA E RISO PASTA & RICE PÂTES ET RIZ PASTA Y ARROZ NUDELN UND REIS PESCE FISH MAIN COURSES CARNE MEAT MAIN COURSES DOLCI SWEETS DESSERTS POSTRES SÜB SPEISEN VERDURE VEGETABLES LÉGUMES VERDURAS GEMÜSE VEGETABLE PREPARATION FRUTTA FRUIT FRUITS FRUTAS OBST COLD CUTS EGGS BURRI E SALSE BUTTER & SAUCES BEURRES ET SAUCES MANTEQUILLAS Y SALSAS BUTTER UND SAUCEN SALSE SAUCES ET SAUCES SALSAS SAUCEN ERBE SPEZIE AROMI AROMATIC HERBS & SPICES FINES HERBES, ÈPICES ET AROMATES HIERBAS, ESPECIAS Y AROMAS KRÄUTER UND GEWÜRZE ALTRI INGREDIENTI ADDITIONAL COOK'S INGREDIENTS AUTRES INGRÈDIENTS OTROS INGREDIENTES WEITERE ZUTATEN BEVANDE BEVERAGES BOISSONS BEBIDAS GETRÄNKE PERSONALE & MANSIONI Quadri & livelli Esempio Busta paga Addetto di 3° LIVELLO RETRIBUZIONE C.C.N.L. ESEMPIO Busta paga 3° LIVELLO CON SUPERMINIMO DI 560,00 € Costo azienda Area Quadri Politica del personale SAPER LEGGERE LA BUSTA PAGA RETRIBUZIONE DIRETTA RETRIBUZIONE INDIRETTA Retribuzione differita Fringe Benefit Superminimo Maggiorazioni Lavoro straordinario Malattia Controlli di malattia e le fasce orarie Contributi previdenziali Costruzione dell'imponibile contributivo Imposta fiscale Costruzione dell’imponibile fiscale Rimborsi spese per trasferta fuori dal comune sede di lavoro Trasferte a rimborso misto Trasferte con rimborso a piè di lista Rimborso spese per trasferta entro il comune sede di lavoro Rimborso spese al collaboratore per uso auto propria Aspetti fiscali dei rimborsi per le spese di trasferta per il lavoratore Trattamento fiscale delle trasferte Aspetti fiscali dei rimborsi per le spese di trasferta per l'impresa La documentazione delle spese Addizionali Regionali e Comunali Trattamento di fine rapporto (T.F.R.) Festività Stress da lavoro correlato Effetti dello stress sui lavoratori Che cos’è lo stress da lavoro correlato? DOCUMENTO DI VALUTAZIONE DEI RISCHI CHE COS’È? AZIONI CORRETTIVE QUANDO VANNO PROGRAMMATE? CHECKLIST INDICATORI STRESS LAVORO CORRELATO Burnout Coping: Distress Eustress Fatica Focus group Fonti di stress Procedimenti/sanzioni disciplinari Mobbing Processo di coping R.L.S. R.S.P.P. Valutazione cognitiva Valutazione della percezione soggettive PIANO SANITARIO Giudizi ANALYSIS Il BILANCIO D’ESERCIZIO CONTO ECONOMICO (CE). STATO PATRIMONIALE. CONTO ECONOMICO D'ESERCIZIO NOTA INTEGRATIVA RELAZIONE DI GESTIONE IL DIRECT COSTING IL FULL COSTING Piano dei conti MEETING & RIUNIONI Strumenti manageriali CENTRO CONGRESSI TERMINI Codice fonetico I.C.A.O. Fabbisogno economico FABBISOGNO FINANZIARIO Budget meeting proposta e calcolo AUDIT SCHEDA ANALISI ORGANIZZAZIONE & STAFF STRUTTURALI BUSINESS PLAN LA STRUTTURA DEL BUSINESS PLAN & PRESENTAZIONE SINTETICA DEL PIANO LA PRESENTAZIONE SINTETICA DEL PIANO RIPORTA: IL PIANO DI MARKETING IL PIANO DI VENDITA E IL PIANO DI PRODUZIONE IL PIANO DEI COSTI GENERALI IL PIANO DELLE IMMOBILIZZAZIONI IL FABBISOGNO FINANZIARIO E I FLUSSI DI CASSA & PRESENTAZIONE SINTETICA DEL PIANO IL CONTO ECONOMICO E LO STATO PATRIMONIALE COSTI GENERALI E DEL PERSONALE SCHEDA AUTORE RINGRAZIAMENTI |
| chemical formulas and chemical compounds answer key: Chemical Interactions , 2005 |
| chemical formulas and chemical compounds answer key: Harper's Round Table , 1896 |
| chemical formulas and chemical compounds answer key: Safety Professional's Reference and Study Guide W. David Yates, 2017-12-12 While there are numerous technical resources available, often you have to search through a plethora of them to find the information you use on a daily basis. And maintaining a library suitable for a comprehensive practice can become quite costly. The new edition of a bestseller, Safety Professional's Reference and Study Guide, Second Edition provides a single-source reference that contains all the information required to handle the day-to-day tasks of a practicing industrial hygienist. New Chapters in the Second Edition cover: Behavior-based safety programs Safety auditing procedures and techniques Environmental management Measuring health and safety performance OSHA’s laboratory safety standard Process safety management standard BCSPs Code of Ethics The book provides a quick desk reference as well as a resource for preparations for the Associate Safety Professional (ASP), Certified Safety Professional (CSP), Occupational Health and Safety Technologist (OHST), and the Construction Health and Safety Technologist (CHST) examinations. A collection of information drawn from textbooks, journals, and the author’s more than 25 years of experience, the reference provides, as the title implies, not just a study guide but a reference that has staying power on your library shelf. |
| chemical formulas and chemical compounds answer key: EUROCAL '85. European Conference on Computer Algebra. Linz, Austria, April 1-3, 1985. Proceedings Bruno Buchberger, 1985 |
| chemical formulas and chemical compounds answer key: Basics for Chemistry David A. Ucko, 2013-09-24 Basics of Chemistry provides the tools needed in the study of General Chemistry such as problem solving skills, calculation methods and the language and basic concepts of chemistry. The book is designed to meet the specific needs of underprepared students. Concepts are presented only as they are needed, and developed from the simple to the complex. The text is divided into 18 chapters, each covering some particular aspect of chemistry such as matter, energy, and measurement; the properties of atoms; description of chemical bonding; study of chemical change; and nuclear and organic chemistry. Undergraduate students will find the book as a very valuable academic material. |
| chemical formulas and chemical compounds answer key: Chemistry John A. Olmsted, Robert Charles Burk, Gregory M. Williams, 2016-01-14 Olmsted/Burk is an introductory general chemistry text designed specifically with Canadian professors and students in mind. A reorganized Table of Contents and inclusion of SI units, IUPAC standards, and Canadian content designed to engage and motivate readers distinguish this text from many of the current text offerings. It more accurately reflects the curriculum of most Canadian institutions. Instructors will find the text sufficiently rigorous while it engages and retains student interest through its accessible language and clear problem solving program without an excess of material that makes most text appear daunting and redundant. |
| chemical formulas and chemical compounds answer key: Physics for the Inquiring Mind Eric M. Rogers, 2011-04-17 In our scientific age an understanding of physics is part of a liberal education. Lawyers, bankers, governors, business heads, administrators, all wise educated people need a lasting understanding of physics so that they can enjoy those contacts with science and scientists that are part of our civilization both materially and intellectually. They need knowledge and understanding instead of the feelings, all too common, that physics is dark and mysterious and that physicists are a strange people with incomprehensible interests. Such a sense of understanding science and scientists can be gained neither from sermons on the beauty of science nor from the rigorous courses that colleges have offered for generations; when the headache clears away it leaves little but a confused sense of mystery. Nor is the need met by survey courses that offer a smorgasbord of tidbit--they give science a bad name as a compendium of information or formulas. The non-scientist needs a course of study that enables him to learn real science and make its own--with delight. For lasting benefits the intelligent non-scientist needs a course of study that enables him to learn genuine science carefully and then encourages him to think about it and use it. He needs a carefully selected framework of topics--not so many that learning becomes superficial and hurried; not so few that he misses the connected nature of scientific work and thinking. He must see how scientific knowledge is built up by building some scientific knowledge of his own, by reading and discussing and if possible by doing experiments himself. He must think his own way through some scientific arguments. He must form his own opinion, with guidance, concerning the parts played by experiment and theory; and he must be shown how to develop a taste for good theory. He must see several varieties of scientific method at work. And above all, he must think about science for himself and enjoy that. These are the things that this book encourages readers to gain, by their own study and thinking. Physics for the Inquiring Mind is a book for the inquiring mind of students in college and for other readers who want to grow in scientific wisdom, who want to know what physics really is. |
| chemical formulas and chemical compounds answer key: The Best Test Preparation for the College Board Achievement Test in Chemistry Research and Education Association, 1987-02-20 Master the SAT II Chemistry Subject Test and score higher... Our test experts show you the right way to prepare for this important college exam. REA's SAT II Chemistry test prep covers all chemistry topics to appear on the actual exam including in-depth coverage of the laws of chemistry, properties of solids, gases and liquids, chemical reactions, and more. The book features 6 full-length practice SAT II Chemistry exams. Each practice exam question is fully explained to help you better understand the subject material. Use the book's Periodic Table of Elements for speedy look-up of the properties of each element. Follow up your study with REA's proven test-taking strategies, powerhouse drills and study schedule that get you ready for test day. DETAILS - Comprehensive review of every chemistry topic to appear on the SAT II subject test - Flexible study schedule tailored to your needs - Packed with proven test tips, strategies and advice to help you master the test - 6 full-length practice SAT II Chemistry Subject tests. Each test question is answered in complete detail with easy-to-follow, easy-to-grasp explanations. - The book's handy Periodic Table of Elements allows for quick answers on the elements appearing on the exam TABLE OF CONTENTS About Research and Education Association Independent Study Schedule CHAPTER 1 - ABOUT THE SAT II: CHEMISTRY SUBJECT TEST About This Book About The Test How To Use This Book Format of the SAT II: Chemistry Scoring the SAT II: Chemistry Score Conversion Table Studying for the SAT II: Chemistry Test Taking Tips CHAPTER 2 - COURSE REVIEW Gases Gas Laws Gas Mixtures and Other Physical Properties of Gases Dalton's Law of Partial Pressures Avogadro's Law (The Mole Concept) Avogadro's Hypothesis: Chemical Compounds and Formulas Mole Concept Molecular Weight and Formula Weight Equivalent Weight Chemical Composition Stoichiometry/Weight and Volume Calculations Balancing Chemical Equations Calculations Based on Chemical Equations Limiting-Reactant Calculations Solids Phase Diagram Phase Equilibrium Properties of Liquids Density Colligative Properties of Solutions Raoult's Law and Vapor Pressure Osmotic Pressure Solution Chemistry Concentration Units Equilibrium The Law of Mass Action Kinetics and Equilibrium Le Chatelier's Principle and Chemical Equilibrium Acid-Base Equilibria Definitions of Acids and Bases Ionization of Water, pH Dissociation of Weak Electrolytes Dissociation of Polyprotic Acids Buffers Hydrolysis Thermodynamics I Bond Energies Some Commonly Used Terms in Thermodynamics The First Law of Thermodynamics Enthalpy Hess's Law of Heat Summation Standard States Heat of Vaporization and Heat of Fusion Thermodynamics II Entropy The Second Law of Thermodynamics Standard Entropies and Free Energies Electrochemistry Oxidation and Reduction Electrolytic Cells Non-Standard-State Cell Potentials Atomic Theory Atomic Weight Types of Bonds Periodic Trends Electronegativity Quantum Chemistry Basic Electron Charges Components of Atomic Structure The Wave Mechanical Model Subshells and Electron Configuration Double and Triple Bonds Organic Chemistry: Nomenclature and Structure Alkanes Alkenes Dienes Alkynes Alkyl Halides Cyclic Hydrocarbons Aromatic Hydrocarbons Aryl Halides Ethers and Epoxides Alcohols and Glycols Carboxylic Acids Carboxylic Acid Derivatives Esters Amides Arenes Aldehydes and Ketones Amines Phenols and Quinones Structural Isomerism SIX PRACTICE EXAMS Practice Test 1 Answer Key Detailed Explanations of Answers Practice Test 2 Answer Key Detailed Explanations of Answers Practice Test 3 Answer Key Detailed Explanations of Answers Practice Test 4 Answer Key Detailed Explanations of Answers Practice Test 5 Answer Key Detailed Explanations of Answers Practice Test 6 Answer Key Detailed Explanations of Answers THE PERIODIC TABLE EXCERPT About Research & Education Association Research & Education Association (REA) is an organization of educators, scientists, and engineers specializing in various academic fields. Founded in 1959 with the purpose of disseminating the most recently developed scientific information to groups in industry, government, high schools, and universities, REA has since become a successful and highly respected publisher of study aids, test preps, handbooks, and reference works. REA's Test Preparation series includes study guides for all academic levels in almost all disciplines. Research & Education Association publishes test preps for students who have not yet completed high school, as well as high school students preparing to enter college. Students from countries around the world seeking to attend college in the United States will find the assistance they need in REA's publications. For college students seeking advanced degrees, REA publishes test preps for many major graduate school admission examinations in a wide variety of disciplines, including engineering, law, and medicine. Students at every level, in every field, with every ambition can find what they are looking for among REA's publications. While most test preparation books present practice tests that bear little resemblance to the actual exams, REA's series presents tests that accurately depict the official exams in both degree of difficulty and types of questions. REA's practice tests are always based upon the most recently administered exams, and include every type of question that can be expected on the actual exams. REA's publications and educational materials are highly regarded and continually receive an unprecedented amount of praise from professionals, instructors, librarians, parents, and students. Our authors are as diverse as the fields represented in the books we publish. They are well-known in their respective disciplines and serve on the faculties of prestigious high schools, colleges, and universities throughout the United States and Canada. CHAPTER 1 - ABOUT THE SAT II: CHEMISTRY SUBJECT TEST ABOUT THIS BOOK This book provides you with an accurate and complete representation of the SAT II: Chemistry Subject Test. Inside you will find a complete course review designed to provide you with the information and strategies needed to do well on the exam, as well as six practice tests based on the actual exam. The practice tests contain every type of question that you can expect to appear on the SAT II: Chemistry test. Following each test you will find an answer key with detailed explanations designed to help you master the test material. ABOUT THE TEST Who Takes the Test and What Is It Used For? Students planning to attend college take the SAT II: Chemistry Subject Test for one of two reasons: (1) Because it is an admission requirement of the college or university to which they are applying; OR (2) To demonstrate proficiency in Chemistry. The SAT II: Chemistry exam is designed for students who have taken one year of college preparatory chemistry. Who Administers The Test? The SAT II: Chemistry Subject Test is developed by the College Board and administered by Educational Testing Service (ETS). The test development process involves the assistance of educators throughout the country, and is designed and implemented to ensure that the content and difficulty level of the test are appropriate. When Should the SAT II: Chemistry be Taken? If you are applying to a college that requires Subject Test scores as part of the admissions process, you should take the SAT II: Chemistry Subject Test toward the end of your junior year or at the beginning of your senior year. If your scores are being used only for placement purposes, you may be able to take the test in the spring of your senior year. For more information, be sure to contact the colleges to which you are applying. When and Where is the Test Given? The SAT II: Chemistry Subject Test is administered five times a year at many locations throughout the country; mostly high schools. To receive information on upcoming administrations of the exam, consult the publication Taking the SAT II: Subject Tests, which may be obtained from your guidance counselor or by contacting: College Board SAT Program P.O. Box 6200 Princeton, NJ 08541-6200 Phone: (609) 771-7600 Website: http: //www.collegeboard.com Is There a Registration Fee? Yes. There is a registration fee to take the SAT II: Chemistry. Consult the publication Taking the SAT II: Subject Tests for information on the fee structure. Financial assistance may be granted in certain situations. To find out if you qualify and to register for assistance, contact your academic advisor. HOW TO USE THIS BOOK What Do I Study First? Remember that the SAT II: Chemistry Subject Test is designed to test knowledge that has been acquired throughout your education. Therefore, the best way to prepare for the exam is to refresh yourself by thoroughly studying our review material and taking the sample tests provided in this book. They will familiarize you with the types of questions, directions, and format of the SAT II: Chemistry Subject Test. To begin your studies, read over the review and the suggestions for test-taking, take one of the practice tests to determine your area(s) of weakness, and then restudy the review material, focusing on your specific problem areas. The course review includes the information you need to know when taking the exam. Be sure to take the remaining practice tests to further test yourself and become familiar with the format of the SAT II: Chemistry Subject Test. When Should I Start Studying? It is never too early to start studying for the SAT II: Chemistry test. The earlier you begin, the more time you will have to sharpen your skills. Do not procrastinate! Cramming is not an effective way to study, since it does not allow you the time needed to learn the test material. The sooner you learn the format of the exam, the more comfortable you will be when you take the exam. FORMAT OF THE SAT II: CHEMISTRY The SAT II: Chemistry is a one-hour exam consisting of 85 multiple-choice questions. The first part of the exam consists of classification questions. This question type presents a list of statements or questions that you must match up with a group of choices lettered (A) through (E). Each choice may be used once, more than once, or not at all. The exam then shifts to relationship analysis questions which you will answer in a specially numbered section of your answer sheet. You will have to determine if each of two statements is true or false and if the second statement is a correct explanation of the first. The last section is composed strictly of multiple-choice questions with choices lettered (A) through (E). Material Tested The following chart summarizes the distribution of topics covered on the SAT II: Chemistry Subject Test. Topic / Percentage / Number of Questions Atomic & Molecular Structure / 25% / 21 questions States of Matter / 15% / 13 questions Reaction Types / 14% / 12 questions Stoichiometry / 12% / 10 questions Equilibrium & Reaction Times / 7% / 6 questions Thermodynamics / 6% / 5 questions Descriptive Chemistry / 13% / 11 questions Laboratory / 8% / 7 questions The questions on the SAT II: Chemistry are also grouped into three larger categories according to how they test your understanding of the subject material. Category / Definition / Approximate Percentage of Test 1) Factual Recall / Demonstrating a knowledge and understanding of important concepts and specific information / 20% 2) Application / Taking a specific principle and applying it to a practical situation / 45% 3) Integration / Inferring information and drawing conclusions from particular relationships / 35% STUDYING FOR THE SAT II: CHEMISTRY It is very important to choose the time and place for studying that works best for you. Some students may set aside a certain number of hours every morning to study, while others may choose to study at night before going to sleep. Other students may study during the day, while waiting on line, or even while eating lunch. Only you can determine when and where your study time will be most effective. Be consistent and use your time wisely. Work out a study routine and stick to it! When you take the practice tests, try to make your testing conditions as much like the actual test as possible. Turn your television and radio off, and sit down at a quiet desk or table free from distraction. Make sure to clock yourself with a timer. As you complete each practice test, score it and thoroughly review the explanations to the questions you answered incorrectly; however, do not review too much at any one time. Concentrate on one problem area at a time by reviewing the questions and explanations, and by studying our review until you are confident you completely understand the material. Keep track of your scores. By doing so, you will be able to gauge your progress and discover general weaknesses in particular sections. You should carefully study the reviews that cover your areas of difficulty, as this will build your skills in those areas. TEST TAKING TIPS Although you may be unfamiliar with standardized tests such as the SAT II: Chemistry Subject Test, there are many ways to acquaint yourself with this type of examination and help alleviate your test-taking anxieties. Become comfortable with the format of the exam. When you are practicing to take the SAT II: Chemistry Subject Test, simulate the conditions under which you will be taking the actual test. Stay calm and pace yourself. After simulating the test only a couple of times, you will boost your chances of doing well, and you will be able to sit down for the actual exam with much more confidence. Know the directions and format for each section of the test. Familiarizing yourself with the directions and format of the exam will not only save you time, but will also ensure that you are familiar enough with the SAT II: Chemistry Subject Test to avoid nervousness (and the mistakes caused by being nervous). Do your scratchwork in the margins of the test booklet. You will not be given scrap paper during the exam, and you may not perform scratchwork on your answer sheet. Space is provided in your test booklet to do any necessary work or draw diagrams. If you are unsure of an answer, guess. However, if you do guess - guess wisely. Use the process of elimination by going through each answer to a question and ruling out as many of the answer choices as possible. By eliminating three answer choices, you give yourself a fifty-fifty chance of answering correctly since there will only be two choices left from which to make your guess. Mark your answers in the appropriate spaces on the answer sheet. Fill in the oval that corresponds to your answer darkly, completely, and neatly. You can change your answer, but remember to completely erase your old answer. Any stray lines or unnecessary marks may cause the machine to score your answer incorrectly. When you have finished working on a section, you may want to go back and check to make sure your answers correspond to the correct questions. Marking one answer in the wrong space will throw off the rest of your test, whether it is graded by machine or by hand. You don't have to answer every question. You are not penalized if you do not answer every question. The only penalty results from answering a question incorrectly. Try to use the guessing strategy, but if you are truly stumped by a question, remember that you do not have to answer it. Work quickly and steadily. You have a limited amount of time to work on each section, so you need to work quickly and steadily. Avoid focusing on one problem for too long. Before the Test Make sure you know where your test center is well in advance of your test day so you do not get lost on the day of the test. On the night before the test, gather together the materials you will need the next day: - Your admission ticket - Two forms of identification (e.g., driver's license, student identification card, or current alien registration card) - Two No. 2 pencils with erasers - Directions to the test center - A watch (if you wish) but not one that makes noise, as it may disturb other test-takers On the day of the test, you should wake up early (after a good night's rest) and have breakfast. Dress comfortably, so that you are not distracted by being too hot or too cold while taking the test. Also, plan to arrive at the test center early. This will allow you to collect your thoughts and relax before the test, and will also spare you the stress of being late. If you arrive after the test begins, you will not be admitted to the test center and you will not receive a refund. During the Test When you arrive at the test center, try to find a seat where you feel most comfortable. Follow all the rules and instructions given by the test supervisor. If you do not, you risk being dismissed from the test and having your scores canceled. Once all the test materials are passed out, the test instructor will give you directions for filling out your answer sheet. Fill this sheet out carefully since this information will appear on your score report. After the Test When you have completed the SAT II: Chemistry Subject Test, you may hand in your test materials and leave. Then, go home and relax! When Will I Receive My Score Report and What Will It Look Like? You should receive your score report about five weeks after you take the test. This report will include your scores, percentile ranks, and interpretive information. |
| chemical formulas and chemical compounds answer key: Admission Assessment Exam Review E-Book HESI, 2012-03-08 Passing your admission assessment exam is the first step on the journey to becoming a successful health professional — make sure you’re prepared with Admission Assessment Exam Review, 3rd Edition from the testing experts at HESI! It offers complete content review and nearly 400 practice questions on the topics typically found on admission exams, including math, reading comprehension, vocabulary, grammar, biology, chemistry, anatomy and physiology, and physics. Plus, it helps you identify areas of weakness so you can focus your study time. Sample problems and step-by-step examples with explanations in the math and physics sections show you how to work through each problem so you understand the steps it takes to complete the equation. Practice tests with answer keys for each topic — located in the appendices for quick access — help you assess your understanding of each topic and familiarize you with the types of questions you’re likely to encounter on the actual exam. HESI Hints boxes offer valuable test-taking tips, as well as rationales, suggestions, examples, and reminders for specific topics. End-of-chapter review questions help you gauge your understanding of chapter content. A full-color layout and more illustrations in the life science chapters visually reinforce key concepts for better understanding. Expanded and updated content in each chapter ensures you’re studying the most current content. Basic algebra review in the math section offers additional review and practice. Color-coded chapters help you quickly find specific topic sections. Helpful organizational features in each chapter include an introduction, key terms, chapter outline, and a bulleted chapter summary to help you focus your study. A glossary at the end of the text offers quick access to key terms and their definitions. |
| chemical formulas and chemical compounds answer key: An Introduction to Chemistry Michael Mosher, Paul Kelter, 2023-03-18 This textbook is written to thoroughly cover the topic of introductory chemistry in detail—with specific references to examples of topics in common or everyday life. It provides a major overview of topics typically found in first-year chemistry courses in the USA. The textbook is written in a conversational question-based format with a well-defined problem solving strategy and presented in a way to encourage readers to “think like a chemist” and to “think outside of the box.” Numerous examples are presented in every chapter to aid students and provide helpful self-learning tools. The topics are arranged throughout the textbook in a traditional approach to the subject with the primary audience being undergraduate students and advanced high school students of chemistry. |
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5. Na3N sodium nitride 6. CsBr cesium bromide 7. SnS tin (II) sulfide 8. Ca3N2 calcium nitride 9. Hg2I2 mercury (I) iodide 10. PbO lead (II) oxide 11. PbBr2 lead (II) bromide 12. HgS mercury …
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