Monoatomic ions you should know

Monoatomic Cations Elements that form a single cation Elements that form two or more cations

Ion Name Ion Name Common Name + 2+ H hydrogen ion /proton Cr chromium(II) ion + 3+ Li lithium ion Cr chromium(III) ion + 2+ Na sodium ion Fe iron(II) ion ferrous ion + 3+ K potassium ion Fe iron(III) ion ferric ion + 2+ Rb rubidium ion Ni nickel(II) + 3+ Cs cesium ion Ni nickel(III) Be2+ beryllium ion Cu+ copper(I) ion cuprous ion Mg2+ magnesium ion Cu2+ copper(II) ion cupric ion 2+ 2+ Ca calcium ion Hg2 mercury(I) ion* mercurous ion Sr2+ strontium ion Hg2+ mercury(II) ion mercuric ion Ba2+ barium ion Sn2+ tin(II) ion stannous ion Al3+ aluminum ion Sn4+ tin(IV) ion stannic ion Zn2+ zinc ion Pb2+ lead(II) ion plumbous ion Ag+ silver ion Pb4+ lead(IV) ion plumbic ion Cd2+ cadmium ion *this is actually a polyatomic ion

Monoatomic Anions (all form only single ion) Ion Name Ion Name N3- nitride ion H- hydride ion P3- phosphide ion F- fluoride ion O2- oxide ion Cl- chloride ion S2- sulfide ion Br- bromide ion I- iodide ion

Polyatomic ions you should know

Formula Name Formula Name - 2- C2H3O2 acetate ion CO3 carbonate ion + - NH4 ammonium ion HCO3 bicarbonate ion 2- 2- CrO4 chromate ion SO4 sulfate ion 2- - Cr2O7 dichromate ion HSO4 bisulfate ion - 2- CN cyanide ion SO3 sulfite ion - - HO hydroxide ion HSO3 bisulfite ion 2- - C2O4 oxalate ion ClO4 perchlorate ion - - MnO4 permanganate ion ClO3 chlorate ion - - NO3 nitrate ion ClO2 chlorite ion - - NO2 nitrite ion ClO hypochlorite ion 3- PO4 phosphate ion 2- HPO4 hydrogen phosphate ion - H2PO4 dihydrogen phosphate ion

Acids you should know

Hydrohalic acids Oxygen containing acids Formula Name Formula Name

HF hydrofluoric acid H3PO4 phosphoric acid

HCl hydrochloric acid H3PO3 phosphorous acid

HBr hydrobromic acid H2SO4 sulfuric acid

HI hydroiodic acid H2SO3 sulfurous acid

H2CO3 carbonic acid

HMnO4 permanganic acid

HNO3 nitric acid

HNO2 nitrous acid

HC2H3O2 acetic acid

H2C2O4 oxalic acid

HClO4 perchloric acid

HClO3 chloric acid

HClO2 chlorous acid HClO hypochlorous acid