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- 1. Multiple Choice
a different way to say Law of Conservation of Matter
Law of Conservation of Volume
Law of Conservation of Energy
Law of Conservation of Mass
Law of Conservation of Environment
- 2. Multiple Choice
fundamental principle that matter cannot be created or destroyed in a closed system
Law of Conservation of Energy
Law of Conservation of Matter
Law of Conservation of Environment
Law of Conservation of Volume
- 3. Multiple Choice
two or more atoms held together by covalent bonds
molecule
atom
element
- 4. Multiple Choice
a substance made up of atoms of two or more different elements joined by chemical bonds
molecule
compound
mixture
solution
- 5. Multiple Choice
a process where the molecular structure of a substance changes
chemical formula
chemical equation
chemical reaction
- 6. Multiple Choice
a combination of chemical symbols and numbers to represent a substance
mathematical formula
mathematical equation
chemical formula
chemical equation
- 7. Multiple Choice
a way to describe a chemical reaction using chemical formulas and other symbols
mathematical formula
mathematical equation
chemical formula
chemical equation
- 8. Multiple Choice
number after the atomic symbol in equations that tells us the number of atoms of that element in the molecule
denominator
coefficient
numerator
subscript
- 9. Multiple Choice
number in front of molecules in a chemical equation; tells the number of that molecule involved in the reaction
denominator
coefficient
numerator
subscript
- 10. Multiple Choice
a substance that takes part in and undergoes change during a reaction
coefficient
subscript
reactant
product
- 11. Multiple Choice
a new material formed in a chemical reaction
coefficient
subscript
reactant
product
- 12. Multiple Choice
protons + neutrons
atomic number
atomic mass
electrons
- 13. Multiple Choice
a reaction in which energy is absorbed
exothermic reaction
endothermic reaction
red hot reaction
cool reaction
- 14. Multiple Choice
a reaction that releases energy, usually in the form of heat.
exothermic reaction
endothermic reaction
red hot reaction
cool reaction
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