Periodic Table

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1234567891011121314151617
Across
  1. 1. The type of bond created by electrostatic forces of attraction
  2. 3. A noble gas that is lighter than air
  3. 4. The gas released by adding water to sodium
  4. 5. The number of electrons in the outer shell of halogens
  5. 10. A type of bond created by sharing pairs of electrons between two non metals
  6. 13. Chemical symbol for silver
  7. 14. The number of electrons in the outer shell of alkali metals
  8. 15. A group of very reactive non metals
  9. 16. An alkali metal
  10. 17. Chemical symbol for copper
Down
  1. 2. A green gas at room temperature
  2. 6. A type of reaction that releases energy
  3. 7. The structure of an ionic compouns
  4. 8. A liquid halogen at room temperature
  5. 9. Chemical symbol for iron
  6. 11. A noble gas used in light bulbs
  7. 12. Chemical symbol K