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Dubnium Facts

Chemical & Physical Properties

By Anne Marie Helmenstine, Ph.D., About.com

Periodic Table of the Elements

Dubnium

Atomic Number: 105

Symbol: Db

Atomic Weight: (262)

Discovery: A. Ghiorso, et al, L Berkeley Lab, USA - G.N. Flerov, Dubna Lab, Russia 1967

Discovery Date: 1967 (USSR); 1970 (United States)

Electron Configuration: [Rn] 5f14 6d3 7s2

Element Classification: Transition Metal

Crystal Structure: body centered cubic

Name Origin: Joint Institute for Nuclear Research at Dubna

Appearance: Radioactive, synthetic metal

References: Los Alamos National Laboratory (2001), Crescent Chemical Company (2001), Lange's Handbook of Chemistry (1952)

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