Chemistry Valence Numbers Chart

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Aluminum

Al +3

Ammonium

NH4 +1

Barium

Ba +2

Bismuth III

Bi +3

Calcium

Ca +2

Chromium III

Cr +3

Cobalt II

Co +2

Copper I / Cuprous

Cu +1

Copper II / Cupric

Cu +2

Hydrogen

H +1

Iron II / Ferrous

Fe +2

Iron III / Ferric

Fe +3

Lead II

Pb +2

Magnesium

Mg +2

Mercury I / Mercurous

Hg +1

Mercury II / Mercuric

Hg +2

Nickel II

Ni +2

Potassium

K +1

Silver

Ag +1

Sodium

Na +1

Tin II / Stannous

Sn +2

Tin IV / Stannic

Sn +4

Zinc

Zn +2

Acetate

C2H3O2 -1

Bicarbonate

HCO3 -1

Bisulfite

HSO3 -1

Bisulfate

HSO4 -1

Bromine - Bromide

Br -1

Carbonate

CO3 -2

Chlorate

ClO3 -1

Chlorine - Chloride

Cl -1

Chromate

CrO4 -2

Fluorine - Fluoride

F -1

Hydroxide

OH -1

Hypochlorite

ClO -1

Iodine - Iodide

I -1

Nitrate

NO3 -1

Nitrite

NO2 -1

Oxygen - Oxide

O -2

Phosphate

PO4 -3

Sulfur - Sulfide

S -2

Sulfate

SO4 -2

Sulfite

SO3 -2

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