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Atomic Number: 92
U
U

Uranium

238.0300 u

Category

actinide

State at Room Temperature

solid

Electron Configuration

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f³ 6d¹

Valence Electrons

2

Lewis Dot:••

Electronegativity

1.38

Pauling scale

Oxidation States

+3+4+5+6

Melting Point

1405.3 K

1132.15°C

Boiling Point

4404 K

4130.85°C

Density

19.05

g/cm³

Position in Table

Group Period 7f-block

Discovery

Historical Information

Discovered byMartin Heinrich Klaproth
Year1789

Common Uses

Applications & Industries

Nuclear fuel, nuclear weapons, depleted uranium armor, dating rocks

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