Pu
Plutonium
Actinide
Plutonium is a silvery-gray actinide metal that is highly radioactive and toxic. It is primarily produced artificially in nuclear reactors and has been used in nuclear weapons.
Key Facts
Atomic Number
94
Atomic Weight
244
State
Solid
Half-life
24,100 years (Pu-239)
Discovered
1940
Glenn T. Seaborg, Edwin McMillan, Joseph W. Kennedy, Arthur Wahl
Overview
Description
Plutonium is a silvery-gray actinide metal that is highly radioactive and toxic. It is primarily produced artificially in nuclear reactors and has been used in nuclear weapons.
Discovery
Plutonium was discovered in 1940 by Glenn T. Seaborg, Edwin McMillan, Joseph W. Kennedy, Arthur Wahl.