Across
- 5. -essential mineral
- 6. -molten rock that breaks the earth surface
- 7. - always solid
- 8. -contain iron or chromium
- 10. -only one kind of atom
- 13. -can tell the mass
- 14. -molten rock that is underground
- 17. -dissolving water
- 19. -fractinal percentage of soil mass
Down
- 1. -sulfides
- 2. -formed into crystalline structure
- 3. -can expressed chemical formula
- 4. color -colorless
- 5. scale -use to identify minerals
- 9. -hydrogen halidatesp
- 11. -do not contain carbon
- 12. -can form from water solution
- 15. -made of atom
- 16. - plate boundaries
- 18. -outmost solid shell