Across
- 2. Located in period 1 and group 18
- 3. Atomic number 75
- 6. Atomic number is 42
- 10. Found in toothpaste
- 11. Can be fatal if you're exposed to lots of it and an atomic mass of 74.922
- 14. Atomic number 30
- 15. Bananas are rich in
- 17. Symbol is Hg
- 18. Symbol is Fe
- 19. Located in period 2 and group 13
Down
- 1. Atomic number is 22
- 2. Lightest element
- 4. Pennies are coated with:
- 5. A very valuable element with an atomic mass of 196.97
- 7. Atomic number 84
- 8. Symbol is Sn
- 9. Symbol is Pb
- 12. Located in period 3 and group 2
- 13. Alkali Metal and atomic number is 3
- 16. Humans inhale: