Periodic Table of Elements

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Across
  1. 3. comes from greek word meaning heavy
  2. 4. heavy dark liquid
  3. 6. discovered in Mercury’s atmosphere
  4. 7. too much or too little of _____ in the body can cause health issues
  5. 8. only element named after a cooking utensil
  6. 11. Au is the element symbol
  7. 12. about two-thirds as dense as air
  8. 13. 21st most common element
  9. 17. composed of 75% copper and 25% Nickel
  10. 18. common compounds of _____ are borax, boric acid, and borates
  11. 19. mentioned as far back as the Bible
Down
  1. 1. comes from the latin word Carbo
  2. 2. seventh most common element on Earth
  3. 5. 78% of the air you breathe
  4. 9. Element is vital for living organisms
  5. 10. second most common element in universe
  6. 13. you can get strong bones and a healthy smile from this element
  7. 14. atomic number of eight
  8. 15. sixth most common element in the universe
  9. 16. element found in Earth’s seawater