Polarity and bonding

ammonium

NH₄⁺

hydronium

H₃O⁺

nitrate

NO₃^-

carbonate

CO₃^2-

sulfate

SO₄^2-

phosphate

PO₄^3-

Nitride

N^3-

Phosphide

P^3-

bromide

Br^-

Sulfide

S^2-

aluminum ion

Al³⁺

Magnesium ion

Mg²⁺

phosphite

PO₃^2-

Bisulfate

HSO₄^-

hydroxide

OH^-

acetate

C₂H₃O₂^-

group 1 elements

1⁺ ions

group 2 elements

2⁺ ions

group 13 elements

3⁺ ions

group 15 elements

3^- ions

group 16 elements

2^- ions

group 17 elements

1^- ions

VSEPR: basal form of 2 clouds

linear

VSEPR: basal form of 3 clouds

trigonal planar

VSEPR: 3 clouds with 1 lone pair

bent

VSEPR: 3 clouds with 2 lone pairs

linear

VSEPR: basal form of 4 clouds

tetrahedral

VSEPR: 4 clouds with 1 lone pair

trigonal pyramidal

VSEPR: 4 clouds with 2 lone pairs

bent

VSEPR: 4 clouds with 3 lone pairs

linear

VSEPR: basal form of 5 clouds

trigonal bipyramid

VSEPR: 5 clouds with 1 lone pair

seesaw

VSEPR: 5 clouds with 2 lone pairs

T-shaped

VSEPR: 5 clouds with 3 lone pairs

linear

VSEPR: basal form of 6 clouds

octahedral

VSEPR: 6 clouds with 1 lone pair

square pyramidal

VSEPR: 6 clouds with 2 lone pairs

square planar

VSEPR: 6 clouds with 3 lone pairs

T-shaped

VSEPR: 6 clouds with 4 lone pairs

linear

Symmetrical VSEPR geometries

trigonal planar, tetrahedral, linear triatomic

Asymmetrical VSEPR geometries

bent, pyramidal, diatomic (special case)

electron clouds

regions of electron density, INCLUDING bonded AND lone pairs