perfomace assessment

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Across
  1. 1. first on periodic table
  2. 3. the rate of change of position
  3. 6. energy stored in the bonds
  4. 8. water getting heated up
Down
  1. 2. water turning into a gas
  2. 4. liquid into solid
  3. 5. the point of the orbit
  4. 7. the basic unit of a chemical element
  5. 9. 49th on perodic table