Uranium

Actinide

Symbol: U

Atomic Number: 92

Standard State: Solid

Atomic Mass: 238.0289

Electron Configuration: [Rn]7s2 5f3 6d1

Electronegativity: 1.38

Atomic Radius: 240

Ionization Energy: 6.194

Melting Point: 1408

Boiling Point: 4404

Density: 18.95

Year Discovered: 1789