Monoatomic ions you should know
Ion
H+
Li+
Na+
K+
Rb+
Cs+
Be2+
Mg2+
Ca2+
Sr2+
Ba2+
Ag+
Zn2+
Cd2+
B3+
Al3+
Ga3+
C4N3P3As3O2S2Se2HFClBrI-
Name
hydrogen ion /proton
lithium ion
sodium ion
potassium ion
rubidium ion
cesium ion
beryllium ion
magnesium ion
calcium ion
strontium ion
barium ion
silver ion
zinc ion
cadmium ion
boron ion
aluminum ion
gallium ion
carbide ion
nitride ion
phosphide ion
arsenide ion
oxide ion
sulfide ion
selenide ion
hydride ion
fluoride ion
chloride ion
bromide ion
iodide ion
Ion
Cr2+
Cr3+
Mn2+
Mn3+
Fe2+
Fe3+
Co2+
Co3+
Ni2+
Ni3+
Cu+
Cu2+
Au+
Au3+
Hg+ (Hg22+)
Hg2+
Tl+
Tl3+
Sn2+
Sn4+
Pb2+
Pb4+
As3+
As5+
Old Name
chromous ion
chromic ion
manganous ion
manganic ion
ferrous ion
ferric ion
cobaltous ion
cobaltic ion
cuprous ion
cupric ion
aurous ion
auric ion
mercurous ion
mercuric ion
stannous ion
stannic ion
plumbous ion
plumbic ion
New Name
chromium(II) ion
chromium(III) ion
manganese(II) ion
manganese(III) ion
iron(II) ion
iron(III) ion
cobalt(II) ion
cobalt(III) ion
nickel(II) ion
nickel(III) ion
copper(I) ion
copper(II) ion
gold(I) ion
gold(III) ion
mercury(I) ion
mercury(II) ion
thallium(I) ion
thallium(III) ion
tin(II) ion
tin(IV) ion
lead(II) ion
lead(IV) ion
arsenic(III) ion
arsenic(V) ion
Polyatomic ions that you should know
Formula
C2H3O2NH4+
N3BO33CrO42Cr2O72OCNSCNCNHOC2O42MnO4O22O2S2O32NO3NO2PO43HPO42H2PO4-
Name
acetate ion
ammonium ion
azide ion
borate ion
chromate ion
dichromate ion
cyanate ion
thiocyanate ion
cyanide ion
hydroxide ion
oxalate ion
permanganate ion
peroxide ion
superoxide ion
thiosulfate ion
nitrate ion
nitrite ion
phosphate ion
hydrogen phosphate ion
dihydrogen phosphate ion
Formula
CO32HCO3PO33SO42HSO4SO32HSO3ClO4ClO3ClO2ClOBrO4BrO3BrO2BrOIO4IO3-
Name
carbonate ion
bicarbonate ion
phosphite ion
sulfate ion
bisulfate ion
sulfite ion
bisulfite ion
perchlorate ion
chlorate ion
chlorite ion
hypochlorite ion
perbromate ion
bromate ion
bromite ion
hypobromite ion
periodate ion
iodate ion