Chem 1210 Bonding + Trends

Electron affinity trend

L-R: Increases, T-B: Decreases

Lattice energy

Strength of ionic bonds

ZEff / Effective nuclear charge trend

L-R: Increases, T-B: Decreases

Electronegativity trend

L-R: Increases, T-B: Decreases

Atomic radius trend

L-R: Decreases, T-B: Increases

Ionization energy trend

L-R: Increases, T-B: Decreases

2 domains (basic/main) name

Linear

2 domains angle length

180

5 domains (basic/main) name

Trigonal bypyramidal

5 domains angle lengths

120, 90

4 domains (basic/main) name

Tetrahedral

4 domains angle length

109.5

3 domains (basic/main) name

Trigonal planar

3 domains angle length

120

6 domains (basic/main) name

Octahedral

6 domains angle length

90

Bent - trigonal planar

Trigonal pyramidal

Trigonal pyramidal angle length

107.3/5

Bent - tetrahedral

Bent tetrahedral angle length

104.5

Seesaw

T-shape

5 domains - 3 lone pairs

Linear - trigonal bypyramidal

90*

Square pyramidal

90*

Square planar