1) How many atoms of Oxygen are found in the reactant side of the chemical Formula. a) 4 b) 2 c) 1 2) What is the total amount of Na atoms found here? a) 12 b) 2 c) 24 d) 1 3) What is the coefficient in this formula? a) 6 b) 14 c) 2 4) How many different elements are in this formula? a) 30 b) 3 c) 24 5) How many atoms of Oxygen are in the formula? a) 12 b) 6 c) 24 6) How many Hydrogen are in the product side? a) 4 b) 3 c) 2 7) How many atoms of Krypton (Kr)? a) 2 b) 1 c) 12 d) 14

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