Chemistry

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Across
  1. 2. A starting material in a chemical reaction
  2. 4. gain of electrons
  3. 10. A liquid substance capable of dissolving
  4. 11. gas to solid
  5. 13. A measure of how hot or cold something is
  6. 17. loss of electrons
  7. 18. An ionic compound
  8. 19. A substance that is dissolved in a solution.
  9. 20. dissolved in water
Down
  1. 1. A subatomic particle that has a negative charge
  2. 3. solid to gas
  3. 5. A pure substance made of only one kind of atom
  4. 6. Positive electrode
  5. 7. Ability to attract electrons
  6. 8. mass The average mass of all the isotopes
  7. 9. A charged atom
  8. 12. A state of balance
  9. 14. Basic unit of matter
  10. 15. Group 17
  11. 16. A measure of disorder or randomness.