unit 2 week 2 vocabulay

12345678
Across
  1. 4. random kinetic energy
  2. 6. the quantity of matter
  3. 7. matter is neither lost or gained
  4. 8. the number placed in front of a compound
Down
  1. 1. a chemical equation
  2. 2. the number of atoms
  3. 3. of reaction the speed a chemical reaction occurs
  4. 5. the rate at which a substance undergoes