1) How many atoms of Oxygen are found in the Reactant side of the chemical Formula. H2O a) 4 b) 2 c) 1 2) What is the total amount of atoms found in this formula. Ca(NO2)2 a) 6 b) 3 c) 7 3) What is the Coefficient in this formula? 6Cu2SeO4 a) 6 b) 14 c) 2 4) How many elements are in this formula? 6Cu2SeO4 a) 30 b) 3 c) 24 5) How many atoms of Oxygen are in the formula? 6Cu2SeO4 a) 12 b) 6 c) 24 6) How many Hydrogen are in the Product Side? P4O10 + H2O ------ H3PO4 a) 4 b) 3 c) 2 7) How many Sulfur are in this formula?  a) 1 b) 2 c) 3 d) 4 8) How many atoms are in the reactant side of this equation?  H2 + O2 --- H2O a) 2 b) 3 c) 5 d) 4 9) Is this equation balanced or unbalanced? H2 + O2 --- 2HO a) Balanced b) Unbalanced c) I don't Know 10) Is this Equation Balanced or Unbalanced? H2 + O2He3 --- H2O + He2 a) Balanced b) Unbalanced c) Unknown

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