Chemistry VSEPR Theory

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15 Terms

1
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Linear 180

2 bonding sites, 0 lone pairs

2
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Trigonal Planar 120

3 bonding sites, 0 lone pairs

3
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bent (1st type) <120

3 bonding sites, 1 lone pairs

4
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tetrahedral 109.5

4 bonding sites, 0 lone pairs

5
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trigonal pyramidal <109.5

4 bonding sites, 1 lone pair

6
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bent (2nd type) <<109.5

4 bonding sites, 2 lone pair

7
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trigonal bipyramidal 120 and 90

5 bonding sites, 0 lone pairs

8
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seesaw <120 and <90

5 bonding sites, 1 lone pair

9
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t shaped <90

5 bonding sites, 2 lone pairs

10
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linear (2nd version) 180

5 bonding sites, 3 lone pairs

11
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octahedral 90

6 bonding sites, 0 lone pairs

12
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Square pyramidal <90

6 bonding sites, 1 lone pairs

13
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Square planar 90

6 bonding sites, 2 lone pairs

14
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The more bonding groups, the more electron repulsion leading to a smaller bond angle.

Why is the angle small

15
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Fewer bonding groups on central atom creates less electron repulsion and atoms spread out more.

Why is the angle bigger