Across
- 2. yellow solid element
- 4. cobalt and iron are found in these
- 6. potassium and magnesium are found in these
- 11. used in emeralds and springs
- 14. found in knee (joint) replacements
- 15. solid element that can be red, black, white
- 16. color of krypton "neon signs"
- 18. found in sunscreen
- 20. potassium and ??? is in fertilizer
- 21. chromium, beryllium,& scandium found in these
Down
- 1. cobalt and lithium are found in these
- 2. found in metal bats
- 3. nickel helps prevent this
- 5. lithium is the least ??? solid
- 7. densest gas
- 8. arsenic is main ingredient in
- 9. used in MRI machines
- 10. metal that is NOT gray or silver
- 12. phase of matter of bromine
- 13. chlorine and fluorine are both
- 17. not an alkali metal
- 19. densest solid element