2. Strong Bonds: High MP

3. NaCl

4. AlF 3

5. Strong Bonds: High MP

6. Non directional

7. Malleable

8. Ductile

9. Malleable Ductile

10. Strong bonds: high MP

11. Diamond Carbon

12. Silicon

13. Graphite

14. Diamond Silicon

15. Diamond

16. Weak forces: low MP Slightly higher MP Slightly higher yet MP

17. sp sp2 sp3 180 120 109 107 105 Be B C N O F Ne

18. F F F I C

19. - +

20. B H H H

22. F BH

23. H Se H

24. H H O

25. B H H F

26. N N

27. N H H H

28. 1. For metallic bonds you can buy magnetized colored balls from Arbor Scientific 20 balls for 2.70