U
Uranium
Actinide
Uranium is a silvery-white metallic chemical element that is the heaviest naturally occurring element. It is weakly radioactive and used as nuclear fuel.
Key Facts
Atomic Number
92
Atomic Weight
238.03
State
Solid
Half-life
4.468 billion years (U-238)
Discovered
1789
Martin Heinrich Klaproth
Overview
Description
Uranium is a silvery-white metallic chemical element that is the heaviest naturally occurring element. It is weakly radioactive and used as nuclear fuel.
Discovery
Uranium was discovered in 1789 by Martin Heinrich Klaproth.