Bond angles Flashcards

1
Q

If there is 2 bonding electron pairs

A

180 degrees linear

Cl-Be-Cl

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2
Q

If there are 2 bonding pairs and 2 lone pairs of electrons

A

V shaped 104.5 H-O-H

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3
Q

if there are 3 bonded pairs of electrons

A

120 degrees trigonal plane

B with one F directly on top and two facing diagonal on the two bottom sides

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4
Q

IF there are 4 bonded pairs of electrons

A

Tetrahedral 109.5 degrees

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5
Q

If there are 5 bonded pairs of electrons

A

Trigonal bipyramid

90 and 120 degree angles

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6
Q

If there are 6 bonded pairs of electrons

A

Octahedral 90 degrees

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7
Q

Steps to find shape

A

find number of electron pairs

determine how many pairs are bonding and how many are lone

Bonding pairs indicate initial shape while lone pairs indicate any repulsion

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8
Q

For every lone pair electron present repulsion decreases by

A

reduced by 2.5 degrees

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9
Q
A
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