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Atomic Number: 105
Db
Db

Dubnium

268.0000 u

Category

transition metal

State at Room Temperature

solid

Electron Configuration

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d³

Valence Electrons

2

Lewis Dot:••

Oxidation States

+5

Density

29.3

g/cm³

Position in Table

Group 5Period 7d-block

Discovery

Historical Information

Discovered byJoint Institute for Nuclear Research and Lawrence Berkeley Laboratory
Year1967

Common Uses

Applications & Industries

Research in nuclear chemistry

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