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Dubnium


7
105
[262]
KEY
Chemical Element Symbol Key

SEE ALSO
Dubnium
Columbia Encyclopedia
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Symbol: Db
Atomic Number: 105
Atomic Weight: [262]
Element Classification: Transition Metal
Discovered By: G.N. Flerov (Dubna/USSR); A. Ghiorso, et al (Berkeley)
Discovery Date: 1967 (USSR); 1970 (United States)
Name Origin: Joint Institue for Nuclear Research at Dubna
Density (g/cc): n/a
Melting Point (K): n/a
Boiling Point (K): n/a
Appearance: Radioactive, synthetic metal
Atomic Radius (pm): n/a
Atomic Volume (cc/mol): n/a
Covalent Radius (pm): n/a
Ionic Radius: n/a
Specific Heat (@20°C J/g mol): n/a
Fusion Heat (kJ/mol): n/a
Evaporation Heat (kJ/mol): n/a
Thermal Conductivity (@25°C W/m K):
Debye Temperature (K): n/a
Pauling Negativity Number: n/a
First Ionizing Energy (kJ/mol): n/a
Oxidation States: n/a
Electronic Configuration: [Rn] 5f14 6d3 7s2
Lattice Structure: n/a
Lattice Constant (Å): n/a
Lattice C/A Ratio: n/a


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