- Common Oxidation States of the Elements
Actinium +3 Indium +3
Aluminum +3 Iodine +7, +5, +1, − 1
Americium +6, +5, +4, +3 Iridium +4, +3
Antimony +5, +3, − 3 Iron +3, +2
Argon 0 Krypton +4, +2
Arsenic +5, +3, − 3 Lanthanum +3
Astatine –1 Lead +4, +2
Barium +2 Lithium +1
Berkelium +4, +3 Lutetium +3
Beryllium +2 Magnesium +2
Bismuth +5, +3 Manganese +7,+6, +4,+3, +2
Boron +3 Mercury +2,+1
Bromine +5, +3, +1, –1 Molybdenum +6, +4, +3
Cadmium +2 Neodymium +3
Calcium +2 Neon 0
Californium +3 Neptunium +6, +5, +4, +3
Carbon +4,+2, − 4 Nickel +2
Cerium +3,+4 Niobium +5, +4
Cesium +1 Nitrogen +5, +4, +3, +2, +1, –3
Chlorine +7, +6, +5, +4, +3, +l, − 1 Osmium +8, +4
Chromium +6,+5, +4, +3,+2 Oxygen +2, −^1 ⁄2,−1, –2
Cobalt +3, +2 Palladium +4, +2
Copper +2,+ 1 Phosphorus +5, +3, − 3
Curium +3 Platinum +4, +2
Dysprosium +3 Plutonium +6, +5, +4, +3
Erbium +3 Polonium +2
Europium +3,+2 Potassium +1
Fluorine − 1 Praseodymium +3,+4
Francium +1 Promethium +3
Gadolinium +3 Protactinium +5,+4
Gallium +3 Radium +2
Germanium +4,− 4 Radon 0
Gold +3,+1 Rhenium +7,+6, +4
Hafnium +4 Rhodium +4, +3,+2
Helium 0 Rubidium +1
Holmium +3 Ruthenium +8, +6, +4, +3
Hydrogen +1, −l Samarium +3,+2
(The most common or stable oxidation states are in bold.)
Part II: Specific Topics