Crossword: Elements and their Symbols

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Across
  1. 2. Essential for blood, found in hemoglobin, symbol 'Fe'
  2. 4. Protects your teeth in toothpaste, symbol 'F'
  3. 8. Found in table salt
  4. 9. Is found in sunscreen, symbol 'Zn'
  5. 12. Liquid at room temperature, used in thermometers
  6. 13. Conducts electricity well, used in wiring and coins, symbol 'Cu'
  7. 14. Crucial for electronics and computer chips, symbol 'Si'
  8. 15. Known for its yellow color and smell of rotten eggs, symbol 'S'
  9. 16. Powers your phone's battery, symbol 'Li'
  10. 17. Lights up signs with a bright, reddish-orange glow, symbol 'Ne'
  11. 18. Builds strong bones and teeth, found in milk
Down
  1. 1. Non-metal with the symbol 'I', used in medical disinfectants
  2. 3. Makes your voice squeaky and fills party balloons
  3. 5. Keeps us alive, the breath of life
  4. 6. The lightest element in the universe, symbol 'H'
  5. 7. Vital for muscle function, found in bananas, symbol 'K'
  6. 10. The basis of life, found in diamonds and pencils
  7. 11. A notorious poison, a metalloid with the symbol 'As'
  8. 13. Used to disinfect swimming pools