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Chemistry > Vespr models > Flashcards

Vespr models Flashcards

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1
Q

How to calculate steric number?

A

lone pairs + # of atoms bonded to central atom

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2
Q

what is it called when there is 4 atoms around a central atom?

A

Tetrahedral

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3
Q

what is it called when there is 3 atoms and a lone pair around a central atom?

A

Trigonal pyramid

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4
Q

what is it called when there is 2 atoms and 2 lone pairs around a central atom?

A

Bent

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5
Q

what is it called when there is 5 atoms around a central atom?

A

Trigonal bypyramid

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6
Q

what is it called when there is 4 atoms and a lone pair around a central atom?

A

See-saw

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7
Q

what is it called when there is 3 atoms and 2 lone pair around a central atom?

A

T-shape

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8
Q

what is it called when there is 2 atoms and 3 lone pairs around a central atom?

A

Linear

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9
Q

what is it called when there is 6 atoms around a central atom?

A

Octohedral

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10
Q

what is it called when there is 5 atoms and a lone pair around a central atom?

A

Square Bipyramid

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11
Q

what is it called when there is 4 atoms and 2 lone pair around a central atom?

A

Square planar

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12
Q

what is it called when there is 3 atoms and 3 lone pairs around a central atom?

A

T-shape

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13
Q

what is it called when there is 2 atoms and 4 lone pairs around a central atom?

A

Linear

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14
Q

Angle for linear

A

180

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15
Q

Angle for Trigonal planar

A

120

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16
Q

Angle for bent (trigonal pyramid)

A

<120

17
Q

Angle for Tetrahedral

A

109.5

18
Q

Angle for Trigonal pyramid

A

<109.5

19
Q

Angle for Bent (tetrahedral)

A

«109.5

20
Q

Angle for Trigonal Bipyramid

A

90 and 120

21
Q

Angle for See-saw

A

<90 and <120

22
Q

Angle for T-shape

A

<90

23
Q

Angle for line (3 lone pairs and 2 atoms)

A

180

24
Q

Angle for Octohedral

A

90

25
Q

Angle for Square pyramid

A

<90

26
Q

Angle for Square planar

A

<90

27
Q

Angle for T-shape

A

<90

28
Q

Angle for linear (4 lone pairs and 2 atoms)

A

180

Chemistry (3 decks)

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