Across
- 3. Very unreactive in crystal form
- 5. Was discovered in 1766 by Henry C.
- 8. Atomic number is 22
- 10. Greek word __ means hidden
- 12. Was discovered by Humphry Davey and Joseph Black
- 13. Found in many pools
- 14. 31 Electrons
Down
- 1. Atomic number is 14
- 2. Andres Mel Del Rio discovered __
- 4. Atomic number is 29
- 6. Rabbit milk has the most __ out of all animal milks
- 7. Used for gunpowder
- 9. First metal discovered
- 11. Greek word "__" which means "moon."