1) What is the symbol for gold? a) G b) Ag c) Au d) Gd 2) What is the relative atomic mass of an oxygen atom a) 4 b) 8 c) 16 d) 24 3) What is the relative atomic mass of osmium a) 46 b) 76 c) 79 d) 190 4) What is the relative molecular mass of HCl? a) 18 b) 35.5 c) 36.5 d) 37.5 5) What is the relative molecular mass of CaCO3 a) 50 b) 100 c) 150 d) 200 6) What is the relative molecular mass of Al2O3 a) 82 b) 102 c) 104 d) 106 7) What is the relative molecular mass of propanol C3H7OH a) 47 b) 48 c) 59 d) 60

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