Unit 2 Week 2

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