SymbolDb
Latin nameDubnium
Atomic number105
Period7
Element categoryTransition elements
Relative atomic mass262.1138
GroupV.B
Oxidation numbers
5
Electron configuration
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 5f14 6d3 7s2
State
Solid
Stable isotopes
0
Unstable isotopes
5