Elements of the Periodic Table

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Across
  1. 4. 12 Protons in the nucleus
  2. 7. Found in all living things
  3. 10. Used in nuclear energy
  4. 11. Li for short
  5. 13. Atomic number 18
  6. 15. Lightest element
  7. 17. Used in neon signs
Down
  1. 1. Found in sand and quartz
  2. 2. Lightweight metal used in soda cans
  3. 3. Atomic number 30
  4. 4. The only metal that's liquid at room temp
  5. 5. Important for strong bones
  6. 6. 2 letters for Lead
  7. 7. Binds with Na to form table salt
  8. 8. Most abundant in the atmosphere
  9. 9. 16 protons in its nucleus
  10. 12. Magnetic
  11. 14. Symbol for Radon
  12. 16. Most abundant element on Earth