Across
- 5. a "stealing" bond
- 7. Rule of eight
- 10. SiO2
- 11. Substance made of hydrogen and oxygen
- 12. Pink Mineral
- 14. Substance that cannot be broken down
- 15. Chemical symbol Ag
- 17. Earthy green mineral
- 19. Smallest part of an element
- 20. Fools Gold
Down
- 1. one of the four basic properties of matter
- 2. Stinky igneous rock
- 3. one of the three phases of matter
- 4. Greek word meaning to change or form
- 6. a "Sharing" bond
- 8. outermost shell
- 9. Moes _____ Scale
- 13. cooled underground
- 16. Nickname for igneous rocks
- 18. fifth hardest mineral