105
Db
dubnium
[268]

General properties

Group
group 5
Period
period 7
Category
transition metals
Standard atomic weight
-
Melting point
unknown
Boiling point
unknown
Phase at STP
solid (predicted)

Additional properties

Block
d-block
Electron configuration
[Rn] 5f¹⁴ 6d³ 7s²
Electrons per shell
2, 8, 18, 32, 32, 11, 2
Electronegativity
–
Density
29.3 g/cm³ (predicted)
Oxidation states
(+3), (+4), +5 (parenthesized: prediction)
CAS Number
53850-35-4