Across
- 4. sodium burns this color
- 7. they reflect light
- 9. valence electrons of alkaline earth metals
- 10. bicycles airplanes ladders
- 14. electrons in the outermost shell
- 16. can be hammered into a thin sheet
- 18. metals form these when they give away electrons
- 21. in table salt
- 22. countertops
- 23. triad iron cobalt nickel
- 24. strontium burns this color
- 25. magnesium burns this color
- 26. liquid at room temperature
Down
- 1. process photos
- 2. in bananas
- 3. poisonous
- 5. earth group 2
- 6. used in batteries
- 8. metals copper silver and gold
- 9. metals groups 3-12
- 11. copper burns this color
- 12. radioactive
- 13. potassium has this many valence electrons
- 15. digestive disorder diagnosis
- 17. most abundant metal in the earths crust
- 19. often used to coat other metals
- 20. disorder treated with lithium
- 21. alkali+group 17