Ions

Hydrogen

+1

Lithium

+1

Sodium

+1

Potassium

+1

Rubidium

+1

Cesium

+1

Francium

+1

Helium

+2

Beryllium

+2

Magnesium

+2

Calcium

+2

Strontium

+2

Barium

+2

Radium

+2

Fluoride

-1

Chloride

-1

Bromide

-1

Iodide

-1

Astatide

-1

Tennesside

-1

Oxide

-2

Sulfide

-2

Selenide

-2

Nitride

-2

Phosphide

-3

Zinc

+2

Copper

+1 or +2

Iron

+2 or +3

Gold

+3

Silver

+1

Chromium

+2 or +3

Titanium

+2

Tin

+2 or +4

Lead

+2 or +4

Mercury

+1 or +2

Aluminum

+3

Gallium

+3

Hydronium

H3O +

Ammonium

NH4 +

Phosphate

PO4 -3

Nitrate

NO3 -

Sulfate

SO4 -2

Chlorate

ClO3 -

Iodate

IO3 -

Chromate

CrO4 -2

Hydroxide

OH -

Acetate

CH3COO -

Dichromate

Cr2O7 -2

Oxalate

C2O4 -2

Permanganate

MnO4 -

Cyanate

OCN -

-ite

remove one oxygen

hypo—ite

remove two oxygens from the -ate

per—ate

add one oxygen to the -ate

bi-

add an H and increase charge by 1

monohydrogen or hydrogen

ad an H and increase charge by 1

dihydrogen

add two H and increase charge by 2

thio-

replace an O with an S