Naming Polyatomic Ions

An -ate or -ite at the end of a compound name usually indicates that the compound contains _____________.

• fewer electrons than protons

• neutral molecules

• only two elements

• a polyatomic anion

Which naming pattern is unique to polyatomic ionic compounds?

• they can have prefixes

• they can end in -ide

• they can end in -ate

• they use Roman Numerals

SO₄^2-

• sulfate

• sulfite

PO₄^3-

• phosphate

• phosphorus oxide

• Nitrite

• Nitrate

• Nitride

• Nitroxide

• Manganate

• Permanganate

• Manganite

• Peroxide

• Sulfate

• Sulfite

• Sulfide

• Sulfoxide

• Chlorite

• Chlorate

• Perchlorate

• Hypochlorite

Match the following

• CrO₄^2-

• chlorate

• ClO₂^1-

• chlorite

• ClO₄^1-

• hypochlorite

• ClO^1-

• chromate

• ClO₃^1-

• perchlorate

• Chlorite

• Chlorate

• Perchlorate

• Hypochlorite