Sasha Ripley's Extra Credit Crossword Puzzle

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Across
  1. 2. Liquid-like metals that is a liquid at room temp.
  2. 5. Used in pennies
  3. 8. First element on the periodic table
  4. 9. Symbol of gold
  5. 10. First element in group 13
  6. 12. Metal used to create white colors in fireworks
  7. 16. Used to make signs with a ____ light
  8. 17. Last name of the creator of the periodic table
  9. 18. Can be drawn into wires
Down
  1. 1. Element used to prevent tooth decay
  2. 2. Can be hammered or rolled into sheets
  3. 3. Sixth element in the periodic table
  4. 4. Once used to treat cancer and the last metal in group 2.
  5. 6. Eighth element in the periodic table
  6. 7. First metal used 6,000 years ago
  7. 11. Element named after state that starts with C
  8. 13. First element in group 15
  9. 14. Cadmium,Mercury and _____ make up group 12
  10. 15. Used to create photo-copies
  11. 16. Element that is used in U.S. 5 cent coins.