Periodic Table

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12345678910111213141516171819
Across
  1. 5. Ion with positive charge
  2. 8. The amount of protons in the nucleus
  3. 9. Metalloid located in group 13
  4. 11. Full outer orbital
  5. 13. This Element's symbol is "Au"
  6. 15. Metals that are used in coins and jewelry
  7. 16. The columns on the periodic table
  8. 17. Unreactive because outer orbital is full
  9. 19. Along the stairstep line
Down
  1. 1. This element's symbol is "K"
  2. 2. Located at group 17, period 2
  3. 3. The rows on the periodic table
  4. 4. Formed from the electrostatic attraction between oppositely charged ions
  5. 6. Right of the stairstep line
  6. 7. Left of the stairstep line
  7. 10. Consists of iron, cobalt, and nickel
  8. 12. Metals with only one valence electron
  9. 14. This element is needed to breath
  10. 15. When two nonmetals bond
  11. 18. This element's symbol is "Na"