Across
- 1. the ____ man
- 4. bright lights
- 5. Silver and _______
- 7. can be used for coal
- 8. can be found in a balloon
- 12. __________ foil
- 14. the lightest element
- 15. atomic number is 29
- 18. baking soda
- 19. Superman's planet
Down
- 2. ______ Man
- 3. a low-abundance element
- 6. this is used to treat bipolar disorder
- 7. mix of metal and silver
- 9. a heavy metal
- 10. toothpaste
- 11. metal that sticks together
- 13. pool water
- 16. the air we breathe in
- 17. 2nd place metal
