Dubnium

Transition metal

Symbol: Db

Atomic Number: 105

Standard State: Solid

Atomic Mass: 268.126

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

Electronegativity:

Atomic Radius:

Ionization Energy:

Melting Point:

Boiling Point:

Density:

Year Discovered: 1967