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1) Shows the number of atoms of each element in a compound a) coefficient b) subscript c) superscript 2) Elements on the right side of the arrow in a chemical reaction a) reactants b) products c) subscript 3) One or more substances change to form one or more new substances a) chemical formula b) chemical equation c) chemical reaction 4) matter can be neither created nor destroyed a) Law of Conservation of Matter b) Law of Conservation of Chemicals c) Law of Conservation of Math 5) NH3 is a  a) chemical equation b) chemical composition c) chemical formula 6) O2 is a  a) element and molecule b) compound c) formula and compounrd d) an atom and formula 7) indicates the number of atoms of the element  a) product b) subscript c) coefficient 8) 2H2 + O2 → 2H2O is a example of a  a) chemical equation b) chemical formula c) chemical problem 9) Chemial equations start with substances called the.... a) products b) yields c) reatants 10) Chemial equations relsult with new substances called the....  a) products b) yields c) reatants 11) Which number is the subscript: 6H2O a) 6 b) 2 c) 1 d) 12 12) Which number is the Coefficint : 6H2O a) 6 b) 2 c) 1 d) 12 13) In Chemical Eqations the reactants "Yield" or become the products... The yeild symbol is an a) = Equal sign b) → an arrow c) # a hashtag d) ⟮ ⟯ parenthese

Chemical Equations Review Questions

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