Monoatomic Ions You Should Know

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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 Li+ lithium ion Cr3+ 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) 2+ + Be beryllium ion Cu copper(I) ion cuprous ion 2+ 2+ Mg magnesium ion Cu 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 Cr O 2- dichromate ion HSO - bisulfate ion 2 7 4 - 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 PO 3- phosphate ion 4 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 .

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