Bonds - AP Chem Unit 2

Trigonal planar

3 bonds, 0 LP

Bent (3 domains)

2 bonds, 1 LP

Tetrahedral

4 bonds, 0 LP

Trigonal pyramidal

3 bonds, 1 LP

Bent (4 domains)

2 bonds, 2 LP

Trigonal bipyramidal

5 bonds, 0 LP

Seesaw

4 bonds, 1 LP

T-shaped

3 bonds, 2 LP

Linear (5 domains)

2 bonds, 3 LP

Octahedral

6 bonds, 0 LP

Square pyramidal

5 bonds, 1 LP

Square planar

4 bonds, 2 LP

Common expanded‑octet elements

S, P, Si, Cl, Xe

3 electron domains: electron geometry

Trigonal planar

Trigonal planar (3 bonds, 0 LP): bond angle

120°

Bent (2 bonds, 1 LP) with 3 domains: bond angle

≈120°

4 electron domains: electron geometry

Tetrahedral

Tetrahedral (4 bonds, 0 LP): bond angle

109.5°

Trigonal pyramidal (3 bonds, 1 LP): bond angle

≈107°

Bent (2 bonds, 2 LP) with 4 domains: bond angle

≈104.5°

5 electron domains: electron geometry

Trigonal bipyramidal

Trigonal bipyramidal (5 bonds, 0 LP): bond angles

90° and 120°

Seesaw (4 bonds, 1 LP): bond angles

≈90° and ≈120°

T‑shaped (3 bonds, 2 LP): bond angle

≈90°

Linear (2 bonds, 3 LP) with 5 domains: bond angle

180°

6 electron domains: electron geometry

Octahedral

Octahedral (6 bonds, 0 LP): bond angle

90°

Square pyramidal (5 bonds, 1 LP): bond angle

≈90°

Square planar (4 bonds, 2 LP): bond angle

90°

2 electron domains (hybridization)

sp

2 electron domains (electron geometry)

Linear

2 electron domains (bond angle)

180 deg

3 electron domains (hybridization)

sp2

3 electron domains (electron geometry)

Trigonal planar

3 electron domains (bond angle)

120 deg

4 electron domains (hybridization)

sp3

4 electron domains (electron geometry)

Tetrahedral

4 electron domains (bond angle)

109.5 deg

5 electron domains (hybridization)

sp3d

5 electron domains (electron geometry)

Trigonal bipyramidal

5 electron domains (bond angle)

90 deg

5 electron domains (bond angle)

120 deg

6 electron domains (hybridization)

sp3d2

6 electron domains (electron geometry)

Octahedral

6 electron domains (bond angle)

90 deg