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- 1. Multiple Choice
A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
Coefficient
Subscript
Reactant
Product
- 2. Multiple Choice
A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound
Coefficient
Subscript
Reactant
Product
- 3. Multiple Choice
A formula that shows the smallest whole-number mole ratio of the elements of a compound, and may or may not be the same as the actual molecular formula.
Empirical Formula
Molecular Formula
Stoichiometry
Chemical Reaction
- 4. Multiple Choice
Gives the actual number of atoms of each element in a molecule of a compound.
Empirical Formula
Molecular Formula
Stoichiometry
Chemical Reaction
- 5. Multiple Choice
The study of the amounts of reactants and products in chemical reactions(the study of chemical recipes)
Empirical Formula
Molecular Formula
Stoichiometry
Chemical Reaction
- 6. Multiple Choice
A substance made up of atoms of two or more different elements joined by chemical bonds
Product
Compound
Stoichiometry
Chemical Reaction
- 7. Multiple Choice
A chemical substance that is present at the start of a chemical reaction
Product
Compound
Reactant
Coefficient
- 8. Multiple Choice
A substance that forms in a chemical reaction
Product
Compound
Reactant
Coefficient
- 9. Multiple Choice
Process that changes one set of chemicals into another set of chemicals
Empirical Formula
Molecular Formula
Stoichiometry
Chemical Reaction
- 10. Multiple ChoiceWhich pair has the same empirical formula?NaCrO4 and Na2Cr2O7C2H4O2 and C6H12O6C3H6O3 and C2H6O2CH4 and C2H6
- 11. Multiple ChoiceWhich one is an empirical formula?H2O2C2H6O12CaCl2N2O8
- 12. Multiple ChoiceWhich pair has the same empirical formula?NaCrO4 and Na2Cr2O7C2H4O2 and C6H12O6C3H6O3 and C2H6O2CH4 and C2H6
- 13. Multiple Choice
What is the total number of atoms in this molecule?1051520 - 14. Multiple Choice
What does the number 3 represent in 4 NH3?
Subscript
Superscript
Coefficient
- 15. Multiple Choice
What does the number 4 represent in 4 NH3?
Subscript
Superscript
Coefficient
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