Chemistry

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Across
  1. 2. Visually separating solids is called?
  2. 4. How many valence electrons does Nitrogen have?
  3. 7. Who discovered the nucleus and proton?
  4. 8. What measurement can temperature be measured in?
  5. 10. What tends to form covalent bonds?
  6. 12. Substance that does the dissolving?
  7. 13. Suspensions can or can’t be separated by filtration?
  8. 15. What cannot be created or destroyed?
  9. 16. Substances that can be dissolved?
  10. 18. Solution that contains less than the maximum amount of solute capable of being dissolved?
  11. 19. Which group has the highest ionization energy?
  12. 20. Is metal a conductor or not a conductor?
Down
  1. 1. More particles equals higher or lower pressure?
  2. 3. What is a positive ion?
  3. 5. Who discovered the electron?
  4. 6. A covalent bond with unequal sharing of e- is a?
  5. 9. Substances that cannot be dissolved to form a solution?
  6. 11. Substance that is dissolved?
  7. 14. Colloids can or can’t be separated by filtration?
  8. 17. What is a negative ion?