unit 2 week 2 Vocabulary

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Across
  1. 1. the number of atoms of a particular element in a chemical reaction
  2. 7. in any chemical process, matter is neither lost or gained. (sometimes stated as matter is not created or destroyed
  3. 8. the number placed in front of a compound to balance a chemical equation
Down
  1. 2. a chemical equation where the number of atoms of each element are the same on both sides
  2. 3. energy random kinetic energy possessed by objects in a material
  3. 4. the speed at which a chemical reaction occurs
  4. 5. this is the rate at which a substance undergoes a chemical change
  5. 6. the measure of the quantity of matter