Before revision: 221px|thumbnail|Plutonium is a transuranic radioactive chemical element, an actinide metal Actinide chemistry or actinides chemistry is one of the main branches of nuclear chemistry that investigates the processes and molecular systems of the actinides.
After revision: 221px|thumbnail|Plutonium is a transuranic radioactive chemical element, an actinide metal Actinide chemistry (or actinoid chemistry) is one of the main branches of nuclear chemistry that investigates the processes and molecular systems of the actinides.