Across
- 3. A metal used for jewelry & precious decorative pieces
- 4. A flammable & explosive gas
- 6. K-Found in fertilizers
- 9. A metal used for electric wires, pots, pans, & pennies
- 10. Used to make sulfuric acid & some medicines such as pet powders
- 14. Used on cuts & wounds to kill germs
- 15. Al-A light metal used in making airplanes, buildings, pots & pans, etc.
- 18. Ne-A gas used in many lights & signs
- 19. Cl-Used in bleach, in chemicals to kill germs in swimming pools, & found with the element sodium in table salt
- 20. Zn-A metal that prevents rust & is used in dry cell batteries
Down
- 1. The main gas in the air, also used in fertilizers
- 2. Na-Soft metal that combines with chlorine to make table salt
- 5. Ca-A soft, metallic chemical element found in limestone, marble, chalk, etc.
- 7. A gas necessary for respiration; aids burning
- 8. Ag-Used in tableware, jewelry, photography, medicines, & coins
- 9. Found in coal, oil gas, living things, & inks
- 10. Si-Used in electronics & in compounds for making glass
- 11. Pb-A metal used in automobile batteries & in fishing & diving weights
- 12. Ni-A metal used in coins
- 13. A heavy, poisonous liquid used in some thermometers
- 16. A strong metal used in the construction of buildings, steel, & machines
- 17. A gas much lighter than air used in blimps & balloons