Across
- 2. the element diamonds are made from
- 4. element used to make semi-conductors (computer chips)
- 6. heavy metal used in paints, batteries and radiation shields
- 10. a metal used in foil
- 11. a component of gunpowder that smells like rotten eggs
- 12. this metal is used along with carbon to make steel
- 13. alkali metal in table salt
- 15. a liquid metal used in thermometers
- 17. most common element in the earth's atmosphere
- 20. a metal used in wires
- 21. the most common element in the universe
Down
- 1. a radioactive element often used in nuclear power plants
- 3. an important element in bones
- 5. poison gas in WW1
- 7. the lightest inert gas
- 8. 2nd place in the Olympics
- 9. the most common inert gas in the atmosphere
- 14. the element we need to breathe
- 16. a famous poison that turns your tongue black
- 18. inert gas used to make bright city lights
- 19. a metal sought after during the Klondike