Across
- 2. used in neon lights
- 5. the only radioactive noble gas that has been named
- 10. used in nuclear power plants (hint: oh no a neutron!)
- 12. used in balloons
- 13. light and strong and is used in airplanes
- 14. we breath ______
Down
- 1. the first element in the boron group
- 3. used in rechargeable batteries
- 4. one of the only two liquids
- 6. the first one
- 7. named by Marie Curie
- 8. used in table salt
- 9. PB is it's symbol
- 11. a deadly liquid that can be found in shark fins
- 15. a shiny, yellowish, expensive metal
