Periodic Table Test Review Crossword

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Across
  1. 3. Yellow non-metal, atomic number 16
  2. 8. Used to make electrical wires
  3. 9. The only liquid metal at room temp.
  4. 11. Main component in fireworks
  5. 13. Main component of steel
  6. 16. A noble gas with 2 electrons
  7. 17. Lightest element, atomic number 1
  8. 19. Pool disinfection
  9. 20. Essential for respiration, atomic number 8
  10. 21. Used to galvanize steel
  11. 23. Table salt
  12. 24. Found in milk for strong bones
Down
  1. 1. Used in photography and jewelry
  2. 2. Found in bones and teeth
  3. 4. Most electronegative element
  4. 5. Inert gas used in light bulbs
  5. 6. Heavy, dense metal
  6. 7. Metal used in batteries
  7. 8. The "building blox of life"
  8. 10. Abundant metal in the Earth's crust
  9. 12. Valuable yellow metal
  10. 14. Makes up for a % of the air
  11. 15. Alkali metal, atomic number 19
  12. 18. Used in light-up signs
  13. 22. Computer chip component