Across
- 1. Symbol Zn
- 3. Atomic mass of 108.
- 5. Makes a penny
- 10. Makes other change besides penny's.
- 11. Critical strategic metal.
- 12. Fills up balloons.
- 14. Number one on the periodic table.
- 15. The symbol Yb.
- 16. Used to make foil.
- 17. A gas that lights up the sun.
- 18. Used for wide variety of household products.
- 19. What people breath everyday.
Down
- 2. It's main state is cold.
- 4. Used in several different things.
- 6. Used in soda.
- 7. Made from steel.
- 8. Worth a lot of money.
- 9. Found mostly in bananas.
- 13. Used as a laxative for constipation.
- 16. Used in smoke detectors.