CHM 115 Naming ionic compounds

Polyatomic Ions

Composed of a series of atoms chemically bonded together and carrying a net charge
-ite suffix

given to the one with the lowest number of oxygen atoms (smallest oxidation number on central atom)
-ate suffix

given to the one with the highest number of oxygen atoms (highest oxidation number on central atom)
NO₃^-

Nitrate
NO₂^-

Nitrite
SO₄^-2

Sulfate
SO₃^-2

Sulfite
HSO₄^-

Hydrogen Sulfate
HSO₃^-

Hydrogen Sulfite
PO₄^-3

Phosphate
PO₃^-2

Phosphite
HPO₄^-2

Hydrogen Phosphate
H₂PO₄^-

Dihydrogen Phosphate
Chlorine Note:
When 4 combinations with oxygen are possible, use per--------ate for

the highest
Chlorine Note:
When 4 combinations with oxygen are possible, use hypo---------ite for

the lowest
ClO₄^-

Perchlorate
ClO₃^-

Chlorate
ClO₂^-

Chlorite
ClO^-

Hypochlorite
NH₄⁺

Ammonium ion
CN^-

Cyanide ion
CO₃^-2

Carbonate ion
HCO₃^-

Hydrogen Carbonate (Bicarbonate)
OH^-

Hydroxide ion
SiO₄^-4

Silicate ion
O₂^2-

Peroxide ion
O₂^-

Superoxide ion
O^2-

Oxide ion
C₂H₃O₂^-

Acetate ion

Author

trsmartblonde

42915

Card Set

CHM 115 Naming ionic compounds

Description

Naming compounds with polyatomic ions

Updated

2010-10-19T03:15:26Z