Common Chemical Ions and Compounds for AP Chemistry

Ammonium

NH4 (+1 charge)

Hydrogen

(+1 charge)

Silver

(+1 charge)

Acetate

C2H3O2 (-1 charge)

Perchlorate

ClO4 (-1 charge)

Chlorate

ClO3 (-1 charge)

Chlorite

ClO2 (-1 charge)

Hypochlorite

ClO or OCl (-1 charge)

Cyanide

CN (-1 charge)

Hydride

H (-1 charge)

Hydrogen Carbonate/Bicarbonate

HCO3 (-1 charge)

Hydrogen Sulfate/Bisulfate

HSO4 (-1 charge)

Hydroxide

OH (-1 charge)

Nitrate

NO3 (-1 charge)

Nitrite

NO2 (-1 charge)

Permanganate

MnO4 (-1 charge)

Azide

N3 (-1 charge)

Thiocyanate

SCN (-1 charge)

Cadmium

Cd (+2 charge)

Zinc

Zn (+2 charge)

Peroxide

O2 (-2 charge)

Carbonate

CO3 (-2 charge)

Chromate

CrO4 (-2 charge)

Dichromate

Cr2O7 (-2 charge)

Oxalate

C2O4 (-2 charge)

Sulfate

SO4 (-2 charge)

Sulfite

SO3 (-2 charge)

Thiosulfate

S2O3 (-2 charge)

Silicate

SiO3 (-2 charge)

Aluminum

Al (+3 charge)

Gallium

Ga (+3 charge)

Phosphate

PO4 (-3 charge)

Phosphite

PO3 (-3 charge)

Borate

BO3 (-3 charge)

Cr

+2, +3, +6

Fe

+2, +3

Co

+2, +3

Ni

+2, +3

Pt

+2, +4

Pd

+2, +4

Sn

+2, +4

Pb

+2, +4

Mn

+2, +4

Cu

+1, +2

Hg2 and Hg

2

Au

+1, +3

Hydrochloric Acid

HCl

Hydrobromic Acid

HBr

Hydroiodic Acid

HI

Perchloric Acid

HClO4

Nitric Acid

HNO3

Sulfuric Acid

H2SO4

Phosphoric Acid

H3PO4

Acetic Acid

HC2H3O2

Carbonic Acid

H2CO3

Methane

CH4

Ethane

C2H6

Propane

C3H8

Butane

C4H10

Pentane

C5H12

Hexane

C6H14

Heptane

C7H16

Octane

C8H18

Nonane

C9H20

Decane

C10H22