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 atoms found in this formula? a) 12 b) 2 c) 24 d) 4 3) What is the coefficient in this formula? a) 6 b) 14 c) 2 4) How many 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) The chemical formula for sodium sulfate is Na 2 SO 4  How many sulfur atoms are in the formula for sodium sulfate? a) 1 b) 4 c) 2 d) 6 8) Does this equation satisfy the Law of Conservation of Matter? a) Yes - it has the same number of atoms on both sides b) No - it does not have the same number of atoms on both sides 9) Is this Equation balanced or unbalanced? a) Balanced b) Unbalanced 10) How many total atoms are present in this chemical formula? a) 5 b) 2 c) 14 d) 30 11) How many molecules are present? a) 2 b) 12 c) 24 d) 4

Counting Atoms

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