Uranium (U) — Element 92

92 U 238.03

Uranium

Element 92 · 238.03 u · f-block

actinide

The fuel for nuclear power and weapons. Depleted uranium is used in armor-piercing ammunition due to its extreme density.

Phase (STP)

Solid

Melting Point

1132.2 °C

Boiling Point

4131 °C

Density

18.95 g/cm³

Electronegativity

1.38

Atomic Radius

175 pm

Ionization Energy

598 kJ/mol

Electron Affinity

—

Discovered

1789 · Martin Heinrich Klaproth

Electron Configuration

[Rn] 5f3 6d1 7s2