Elements

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Across
  1. 2. Metal important for muscle function
  2. 5. Shiny metal used in jewelry
  3. 6. Main element found in all living things
  4. 8. Reactive metal found in table salt
  5. 10. Element used to prevent rust
  6. 14. Lightest element on the periodic table
  7. 15. Chemical used to clean pools
  8. 16. Metal used in fireworks and flares
  9. 18. Element needed for breathing
  10. 19. Lightweight metal used in cans and foil
  11. 21. Heavy metal once used in pipes
Down
  1. 1. Yellow nonmetal that smells like rotten eggs
  2. 3. Makes up most of Earth’s atmosphere
  3. 4. Only metal that is liquid at room temperature
  4. 7. Element used in computer chips
  5. 9. Metal used to make steel
  6. 11. Element that strengthens bones and teeth
  7. 12. Element important for bones and DNA
  8. 13. Metal that conducts electricity well
  9. 14. Noble gas used in balloons
  10. 17. Valuable yellow metal
  11. 20. Radioactive element used as nuclear fuel