Chemistry! Yay!

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