Shapes Of Molecules Flashcards
1
Q
Name the order of strength of repulsion
A
- Lone pair-lone pair
- Bonded pair-lone pair
- Bonded pair-bonded pair
2
Q
What’s the difference in positioning between a bonded pair and lone pair
A
Lone pair = closer to the central atom
3
Q
4 bonded
0 lone
A
Tetrahedral
109.5
4
Q
3bonded
1lone
A
Pyramidal
107
5
Q
2bonded
2lone
A
Non-linear
104.5
6
Q
2 bonded
0 lone pairs
A
Linear
180
7
Q
Relationship between no.of electrons and bond angle?
A
Greater no.of electrons = smaller bond angle
8
Q
3bonded
0lone
A
Trigonal planar
120
9
Q
6 bonded
A
Octahedral
90
10
Q
5 bonding pairs
0 lone
A
Trigonal bipyramidal (eg. PF5) 90 + 120
