Unit 2 Bonding Quiz( molecular/electron structures)

Linear structure angle

180 degrees

Bent/V-shaped structure angle

< 180 degrees

Trigonal Planar structure angles

120 degrees

Trigonal Pyramidal structure angles

< 120 degrees

Tetrahedral structure angles

109.5 degrees

Square pyramid structure angle

90 degrees, or < 90 degrees

Square planar structure angles

90 degrees(1)

Trigonal bipyramidal structure angles

120 degrees, 90 degrees

Octahedral structure angles

90 degrees(2)

Linear structure number of lone pairs and number of branches

0 lone pairs, 1-2 branches/ bonds, 1-2 total electrons(pairs)

Bent structure number of lone pairs and number of branches

1 lone pair, 2 branches/ bonds, 4 total electron pairs

Trigonal Planar structure number of lone pairs and number of branches

0 lone pairs, 3 branches/bonds, 3 total electron pairs

Trigonal pyramidal number of lone pairs and number of branches

1 lone pair, 3 branches/bonds, 4 total electron pairs

Tetrahedral number of lone pairs and number of branches

0 lone pairs, 4 branches/bonds, 4 total electron pairs

Trigonal bipyramidal number of lone pairs and number of branches

0 lone pairs, 5 branches/bonds, 5 total electron pairs

octahedral number of lone pairs and number of branches

0 lone pairs, 6 branches/bonds, 6 total electron pairs

Square planar number of lone pairs and number of branches

2 lone pairs, 4 branches/bonds, 6 total electron pairs