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A Level Chemistry (AQA) > Shapes of Molecules > Flashcards

Flashcards in Shapes of Molecules Deck (22)
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1

CH4

4 bonding pairs
0 lone pairs
Tetrahedral
109.5

2

NH3

3 bonding pairs
1 lone pair
Pyramidal/Distorted tetrahedral
107.5

3

H2O

2 bonding pairs
2 lone pairs
V-shaped
104.5

4

BeCl2

2 bonding pairs
0 lone pairs
Linear
180

5

BCl3

3 bonding pairs
0 lone pairs
Trigonal planar
120

6

PCl5

5 bonding pairs
0 lone pairs
Bipyramidal
90 and 120

7

SF6

6 bonding pairs
0 lone pairs
Octahedral
90

8

H3O+

3 bonding pairs
1 lone pair
Pyramidal/Distorted tetrahedral
107.5

9

NH4+

4 bonding pairs
0 lone pairs
Tetrahedral
109.5

10

ICl3

3 bonding pairs
2 lone pairs
T-shaped (slightly less than 90)
or trigonal planar (90 and 120)

11

IF4-

4 bonding pairs
2 lone pairs
Square planar
90

12

AlCl4-

4 bonding pairs
0 lone pairs
Tetrahedral
109.5

13

XeF4

4 bonding pairs
2 lone pairs
Square planar
90

14

Ethene (C2H4)

3 bonding pairs (on each carbon)
0 lone pairs
Trigonal planar
120

15

Ethyne (C2H2)

2 bonding pairs (on each carbon)
0 lone pairs
Linear
180

16

SO3

3 bonding pairs (all double bonds)
0 lone pairs
Trigonal planar
120

17

S02

2 bonding pairs (double bonds)
1 lone pair
V-shaped
118

18

CO2

2 bonding pairs (double bonds)
0 lone pairs
Linear
180

19

SO4^2-

4 bonding pairs (2 double, 2 single)
0 lone pairs
Tetrahedral
109.5

20

ClO3

3 bonding pairs (2 double, 1 single)
1 lone pair
Pyramidal
107.5

21

ClF2+

2 bonding pairs
2 lone pairs
V-shaped
104.5

22

SiCl4

4 bonding pairs
0 lone pairs
Tetrahedral
109.5