COMMON IONS AND THEIR CHARGES
CATIONS
+1
+2
+3
+4
+2
+1
H
+1
Li
+1
Na
+1
K
+1
Ag
+1
Au
+1
Cu
+1
NH4
+1
H3O
+1
O2
Hydrogen
Lithium
Sodium
Potassium
Silver
Gold
Copper I
(Cuprous)
Ammonium
Hydronium
Dioxygenyl
Be
+2
Mg
+2
Ca
+2
Sr
+2
Ba
+2
Ra
+2
Zn
+2
Cu
+2
Ni
Pb
Sn
+2
+2
+2
Hg
Fe
+2
Co
+2
+2
*Hg2
+2
Hg
+2
CrO2
-1
-1
+3
Al
+3
Cr
Fe
Copper II
(Cupric)
Nickel II
(Nickellous)
Lead II
(Plumbous)
Tin II
(Stannous)
Mercury II
(Mercuric)
Iron II
(Ferrous)
Cobalt II
(Cobaltous)
Mercury I
(Mercurous)
Mercury II
(Mercuric)
Chromyl
+3
+3
Ni
Co
+3
+3
As
+3
Bi
Aluminum
Chromium III
(Chromous)
Iron III
(Ferric)
Nickel III
(Nickellic)
Cobalt III
(Cobaltic)
Arsenic III
Bismuth III
*The cation Mercury I exists as two Mercury I ions
covalently bonded called Dimercury
Bold ions mean atoms form multiple ionic charges
Suffix -ate means more Oxygen
Suffix -ite means less Oxygen
Prefix hypo- means less than
Prefix hyper- means more than
Sn
+4
Pb
Cr
+4
+4
Tin IV
(Stannic)
Lead IV
(Plumbic)
Chromium IV
(Chromic)
+5
+5
As
+5
Bi
Arsenic V
Bismuth V
ANIONS
-2
F
-1
Cl
-1
Br
-1
I
-1
C2H3O2
-1
OH
-1
CN
-1
MnO4
-1
NO3
-1
NO2
-1
ClO
-1
ClO2
-1
ClO3
-1
ClO4
-1
HSO4
-1
HSO3
-1
HCO3
-1
HS
-1
H2PO4
-1
SCN
-1
IO2
-1
IO3
-1
IO4
-1
BrO3
-1
O2
-1
NH2
-1
HCO2
Fluoride
Chloride
Bromide
Iodide
Acetate
Hydroxide
Cyanide
Permanganate
Nitrate
Nitrite
Hypochlorite
Chlorite
Chlorate
Perchlorate
Hydrogensulfate
Hydrogensulfite
Hydrogencarbonate
Hydrogensulfide
Dihydrogen
phosphate
Thiocyanate
Iodite
Iodate
Periodate
Bromate
Superoxide
Amide
Formate
-2
O
-2
S
-2
CO3
-2
SO4
-2
SO3
-2
CrO4
-2
Cr2O7
-2
C2O4
-2
HPO4
-2
O2
-2
S2O3
-2
SnO3
-2
SnO2
-2
MoO4
-2
TeO3
-2
S2
-2
FeO4
-2
HAsO4
Oxide
Sulfide
Carbonate
Sulfate
Sulfite
Chromate
Dichromate
Oxalate
Monohydrogen
phosphate
Peroxide
Thiosulfate
Stannate
Stannite
Molybdate
Tellurite
Disulfide
Ferrate
Hydrogen
Arsenate
-3
-3
N
-3
P
-3
PO4
-3
PO3
-3
C6H5O7
-3
Fe(CN)6
Nitride
Phosphide
Phosphate
Phosphite
Citrate
Ferricyanide
-4
-4
Fe(CN)6
Ferrocyanide
-6
-6
Si2O7
-6
TeO6
Pyrosilicate
Orthotellurate
ACID NAMING RULES
Binary acids
Ternary acids
Ternary acids
Dry Name
Acid Name
Hydrogen _______ide
Hydrogen _______ate
Hydrogen _______ ite
Hydro _______ic
____________ic
____________ous