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 Copper (Cu) atoms? a) 6 b) 8 c) 12 5) How many different elements are in this formula? a) 30 b) 3 c) 24 6) How many Selenium (Se) atoms are in this formula? a) 1 b) 12 c) 6 d) 24 7) How many atoms of Oxygen are in the formula? a) 12 b) 6 c) 24 8) How many Hydrogen are in the product side? a) 4 b) 3 c) 2 9) Is this a balanced chemical equation? a) Yes b) No c) There is not enough information to know if it is balanced or not 10) How many atoms of Krypton (Kr)? a) 2 b) 1 c) 12 d) 14 11) How many molecules of 4K2SO4 a) 4 b) 3 c) 28 d) 7 12) What is A pointing at? a) proton b) neutron c) electron 13) What is B pointing at? a) proton b) neutron c) electron 14) What is C pointing at? a) proton b) neutron c) electron 15) What particle can identify the element? a) proton b) neutron c) electron 16) What particle is responsible for bonding with other atoms? a) proton b) neutron c) electron

Counting Atoms

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