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