1) Has 4 Oxygen atoms a) H2O b) H2SO4 c) CO2 d) CH4 2) Has 2 Chlorine atoms a) HCl b) NaCl c) KCl d) FeCl2 3) Has 6 Carbon atoms a) C6H12O6 b) C8H22O10 c) C4H8 d) CO2 4) Has 12 Oxygen atoms a) 2CO2 b) Ag2(SO4)3 c) 3H2O d) 4CH4 5) Has 8 Hydrogen atoms a) H2O b) 3H3O4 c) 4H2SO4 d) HF 6) Has 4 Oxygen and 2 Hydrogen a) C2H4O b) C2H5NO c) H2SO4 d) HNO3 7) Has 12 Oxygen and 6 Selenium a) Au2(SeO4)3 b) 3Se2PO4 c) O4Se3 d) Au2Se6 8) Has 5 Hydrogen and 6 Carbon a) (CH)4N b) C6H5N3 c) (C2H5)2N d) (CH5)6N 9) Has 4 Sodium and 3 Oxygen a) Na2ZnO2 b) 2Na2ZrO3 c) Na3PO3 d) Na4Zn(OH)3 10) Has 1 Cobalt and 4 Oxygen a) Co3C2O4 b) 4Co(CrO2)2 c) Co(CO)4 d) CO4Cr

Counting Atoms in Chemical Formulas

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