Examples of Inorganic Nomenclature and Charges of Ions: CATIONS ANIONS Formula Name Formula Name +
3–
Li lithium ion N nitride ion Na+ sodium ion P3– phosphide ion K+ potassium ion O2– oxide ion +
2–
Rb rubidium ion S sulfide ion Cs+ cesium ion Se2– selenide ion 2+
–
Mg magnesium ion F fluoride ion 2+
–
Ca calcium ion Cl chloride ion 2+
–
Sr strontium ion Br bromide ion Ba2+ barium ion I– iodide ion Cr2+ chromium(II) ion CN– cyanide ion 3+
–
Cr chromium(III) ion OH hydroxide ion 2–
2+
Mn manganese(II) ion CO3 carbonate ion Fe2+ iron(II) ion HCO3– hydrogen carbonate ion (bicarbonate ion) –
3+
Fe iron(III) ion NO3 nitrate ion –
2+
Co cobalt(II) ion NO2 nitrite ion 3–
3+
Co cobalt(III) ion PO4 phosphate ion Ni2+ nickel(II) ion HPO42– hydrogen phosphate ion –
+
Cu copper(I) ion H2PO4 dihydrogen phosphate ion 3–
2+
Cu copper(II) ion PO3 phosphite ion Sn2+ tin(II) ion AsO43– arsenate ion 2–
4+
Sn tin(IV) ion SO4 sulfate ion –
2+
Zn zinc ion* HSO4 hydrogen sulfate ion 2–
3+
Al aluminum ion* SO3 sulfite ion Ag+ silver ion* ClO4– perchlorate ion 2+
–
Cd cadmium ion* ClO3 chlorate ion +
–
NH4 ammonium ion ClO2 chlorite ion +
–
**CH3NH3 methylammonium ion** ClO hypochlorite ion **(CH3)2NH2+ dimethylammonium ion** BrO4– perbromate ion **(CH3)3NH+ trimethylammonium ion** BrO3– bromate ion –
BrO2 bromite ion –
BrO hypobromite ion IO4– periodate ion IO3– iodate ion –
IO2 iodite ion IO– hypoiodite ion CH3COO– acetate ion CHOO– formate ion –
MnO4 permanganate ion CrO42– chromate ion 2–
Cr2O7 dichromate ion * no Roman numerals a necessary since the ion only exists in one oxidation state ** for Chem 102 Required Weak Acids and Weak Base Nomenclature for Chem 102: (See notes for required acids and bases for Chem 101) WEAK ACIDS Formula Name CH3COOH acetic acid CHOOH formic acid HCN(aq) hydrocyanic acid HF(aq) hydrofluoric acid HClO hypochlorous acid HBrO hypobromous acid HNO2 nitrous acid WEAK BASES Formula NH3 CH3NH2 (CH3)2NH (CH3)3N Name ammonia methylamine dimethylamine trimethylamine For interest: