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Strong Bonds: High MP
NaCl
AlF3
Strong Bonds: High MP
Non directional
Malleable
Ductile
Malleable
Ductile
Strong bonds: high MP
Diamond
Carbon
Silicon
Graphite
Diamond
Silicon
Silicon
Diamond
Weak forces: low MP
Slightly higher MP
Slightly higher yet MP
spsp2 sp3
sp3
sp3
sp3
180
120 109
107
105
Be B C N O F Ne
F
F
F
I
C
- +
B
H
H
H
F B H
H
Se
H
H
H
O
B
H
H
F
N N
N
H
HH
1. For metallic bonds you can buy magnetized colored balls fromArbor Scientific 20 balls for 2.70