1
Q
2 electron pairs
A
Linear
2
Q
3 electron pairs
A
Trigonal planar
Bent
3
Q
4 electron pairs
A
Tetrahedral
Trigonal pyramidal
Bent
4
Q
5 electron pairs
A
Trigonal bipyramidal
5
Q
6 electron pairs
A
Octahedral
6
Q
Angle for linear
A
180
7
Q
Angle for trigonal planar
A
120
8
Q
Angle for bent with 3 electron pairs
A
119
9
Q
Angle for tetrahedral
A
109.5
10
Q
Angle for trigonal pyramidal
A
107
11
Q
Angle for bent with 4 electron pairs
A
104.5
12
Q
Angle for trigonal bipyramidal
A
-90/120
13
Q
Angle for octahedral
A
90
14
Q
Covalent Network
A
- Hard
- Doesn’t conduct electricity
- Very high melting point
ex) diamond
15
Q
Ionic Substance
A
- Very high melting point
- Brittle
- Conducts electricity in the liquid phase
16
Q
Metallic Substance
A
- Hard but malleable
- Conducts electricity
- High melting point
17
Q
Molecular Substance
A
- Low boiling point
- Non-metallic elements
- Typically doesnt conduct electricity
Chemistry 1110
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