Chem Bonus

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Across
  1. 1. Simplest unit of a covalent bond
  2. 6. JJ Thompson discovered ____
  3. 8. Freezing is an _____ reaction
  4. 10. the concave or convex surface of a liquid
  5. 11. A measure of how strongly atoms attract bond electrons to themselves
  6. 15. James Chadwick discovered the _____
  7. 16. Type of elements that form covalent bonds
  8. 17. A solid produced during a chemical reaction
  9. 19. ______ molecules cannot be dissolved in water
  10. 20. Substances that are volatile vaporize easily
Down
  1. 2. Metals tend to ___ electrons in chemical reactions
  2. 3. measured as half the distance between the nuclei of atoms of an element
  3. 4. Type of elements that form ionic bonds
  4. 5. Standard unit for 6.02*10^23
  5. 7. The maximum amount ofsolute that will dissolve in a given amount of solvent at a specific temperature
  6. 9. Phase change from solid to gas
  7. 12. Nonmetals tend to ___ electrons in chemical reactions
  8. 13. Cannot be dissolved
  9. 14. The total amount of energy; movement
  10. 18. 8 Valence electrons make an _____