OXIDATION NUMBERS
METALS
Group 1A
Group 2A
Group 3A
Li
Be
B
Na
Mg
Al
K
Ca
Ga
+1
Rb
+2
Sr
Cs
Ba
Fr
Ra
Ag
Zn
+3
La
Y
NON-METALS
Group 4A
C
Si
Ge
Group 5A
N
+2,+4,
-2,-4
P
As
Sb
Group 6A
O
+1,+3,+5
-1,-3,-5
S
Se
Te
Group 7A
F
+2,+4,+6,
-2,-4,-6
Cl
Br
I
+1,+3,+5,+7,
-1,-3,-5,-7
OXIDATION NUMBERS
TRANSITION METALS
COMMON IONS
Monatomic Cations
1+
H+
hydrogen
+
Li
lithium
Na+
sodium
K+
potassium
+
rubidium
+
cesium
Rb
Cs
+
Fr
Ag
2+
3+
+
francium
silver
Mg2+
magnesium
Ca2+
calcium
Sr2+
strontium
Ba2+
barium
Ra2+
radium
Zn2+
zinc
Cd2+
cadmium
Al3+
aluminum
Bi3+
bismuth
Monatomic Anions
1-
H-
hydride
F-
fluoride
-
chloride
-
Br
bromide
I-
iodide
O2-
oxide
S2-
sulfide
Se2-
selenide
Te2-
teluride
N3-
nitride
P3-
phosphide
As3-
arsenide
Sb3-
antimonide
C4-
carbide
Cl
2-
3-
4-
4-
Si
4-
Ge
silicide
germanide
Metals with more than one ion
Element
Ion
Classical (ous, ic)
Stock system System
Chromium
Cr2+
Cr3+
Co2+
Co3+
Cu+
Cu2+
Fe2+
Fe3+
Pb2+
Pb4+
Mn2+
Mn3+
Mn4+
2+
Hg2
Hg2+
Sn2+
Sn4+
chromium(II)
chromium(III)
cobalt(II)
cobalt(III)
copper(I)
copper(II)
iron(II)
iron(III)
lead(II)
lead(IV)
manganese(II)
manganese(III)
manganese(IV)
mercury(I)
mercury(II)
tin(II)
tin(IV)
Cobalt
Copper
Iron
Lead
Manganese
Mercury
Tin
chromous
chromic
cobaltous
cobaltic
cuprous
cupric
ferrous
ferric
plumbous
plumbic
manganous
manganic
permanganic
mercurous
mercuric
stannous
stannic