CHEM 110 (BEAMER) PRACTICE QUIZ 3A – ANSWER KEY PRACTICE QUIZ 3A Last Name Date First Name Section M T W R QUIZ 3: Practice Quiz 3A – ANSWER KEY Part 1: General Information You will not have a periodic table or the list of polyatomic ions for Part 1 of this quiz. Part 1A: Memorized Polyatomic Ions Max Time: 4 minutes If you see something not on this list, email me. I’ll confirm, and then add. Each chemical formula is worth 4 points Each name is worth 2 points Write the chemical formulas Write the names 1) carbonate CO32− 6) C2H3O21– acetate 2) sulfite SO32− 7) ClO31– chlorate 3) cyanide CN− 8) OH– hydroxide 4) hypochlorite ClO− 9) NO3– nitrate 5) ammonium NH4+ 10) PO43– phosphate Part 1B: Predicting Products – Hydrocarbon Combustion Reactions Predict the product(s), given the following information. (2 pts/product) Include the state of each product (1 pt/state) Do not balance the equations Max Time: 4 minutes VL 6) C2H6(g) + O2(g) 7) C4H10(g) + O2(g) XS ∆ H2O(g) + C(s) ∆ H2O(g) + CO2(g) → → Page 1 of 3 CHEM 110 (BEAMER) QUIZ 3 PRACTICE QUIZ 3A Part 2: General Information You will be given a photocopy of the periodic table (symbols, no names) for all of Part 2 You will be given a photocopy of the full polyatomic ions list for all of Part 2 Part 2A: Elements – States; Monatomic vs. Diatomic Each answer is worth 2 points Max Time: 2 minutes Only write the state: (s), (l), or (g) Only write Monatomic (mono) or Diatomic (di) 8) bromine (l) 12) iodine di (or diatomic) 9) silicon (s) 13) nitrogen di (or diatomic) 10) argon (g) 14) sulfur 11) copper (s) 15) fluorine mono (or monatomic) di (or diatomic) Part 2B: Naming Ionic Compounds For the chemical formulas: cation = 1 pt; cation subscript = 1 pt; anion = 1 pt; anion subscript = 1 pt For the names: cation = 2 pts; anion = 2 pts; any roman numeral = 2 pts Do not write the states Max Time: 5 minutes Write the chemical formula 16) barium iodide 17) aluminum sulfate 18) copper(II) hydroxide Write the name BaI2 19) K3N potassium nitride Al2(SO4)3 20) Ni(C2H3O2)3 nickel(III) acetate CuOH 21) NH4Cl ammonium chloride Part 2C: Predicting Products – Combination Reactions Predict the product(s), given the following information. (4 pts/product) Include the state of each product (1 pt/state) Do not balance the equations Max Time: 2 minutes 22) Li(s) + Cl2(g) LiCl(s) 23) O2(g) + Ba(s) BaO(s) Page 2 of 3 CHEM 110 (BEAMER) QUIZ 3 PRACTICE QUIZ 3A Part 2D: Predicting Products – Decomposition of a Metal Hydrogen Carbonate Predict the product(s), given the following information. (2 pts/product) Include the state of each product (1 pt/state) Do not balance the equations Max Time: 4 minutes 24) 25) Al(HCO3)3(s) KHCO3(s) ∆ Al2(CO3)3(s) + CO2(g) + H2O(g) ∆ K2CO3(s) + CO2(g) + H2O(g) → → Page 3 of 3
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