Molecules and Compounds

NH₄⁺

ammonium, polyatomic cation

CH₃CO₂^-

acetate, polyatomic single-charged anion

CN^-

cyanide, polyatomic single-charged anion

ClO^-

hypochlorite, polyatomic single-charged anion

ClO₂^-

chlorite, polyatomic single-charged anion

ClO₃^-

chlorate, polyatomic single-charged anion

ClO₄^-

perchlorate, polyatomic single-charged anion

H₂PO₄^-

dihydrogen phosphate, polyatomic single-charged anion

HCO₃^-

hydrogen carbonate (bicarbonate), polyatomic single-charged anion

HSO₄^-

hydrogen sulfate (bisulfate), polyatomic single-charged anion

OH^-

hydroxide, polyatomic single-charged anion

MnO₄^-

permanganate, polyatomic single-charged anion

NO₂^-

nitrite, polyatomic single-charged anion

NO₃^-

nitrate, polyatomic single-charged anion

CO₃^2-

carbonate, polyatomic double-charged anion

CrO₄^2-

chromate, polyatomic double-charged anion

Cr₂O₇^2-

dichromate, polyatomic double-charged anion

O₂^2-

peroxide, polyatomic double-charged anion

HPO₄^2-

hydrogen phosphate, polyatomic double-charged anion

SO₃^2-

sulfite, polyatomic double-charged anion

SO₄^2-

sulfate, polyatomic double-charged anion

S₂O₃^2-

thiosulfate, polyatomic double-charged anion

PO₄^3-

phosphate, polyatomic triple-charged anion

nonmetal

-ide, last nonmetal gets -ion, first does not

transition metals

write charge in Roman numerals in parentheses

mono-

do not use on the first element

nonmetal + oxygen

less electronegative first

-ate polyatomic ions

change suffix to -ic acid

-ite polyatomic ions

change suffix to -ous acid

alkane

single bonded carbon and hydrogen atoms

alkene

series of compounds containing only hydrogen and carbon atoms with at least one carbon-carbon double bond

alkyne

carbon and hydrogen atoms with at least one carbon-carbon triple bond