Berkelium

Symbol | Bk
Latin name | Berkelium
Atomic number | 97
Period | 7
Element category | Inner transition elements
Relative atomic mass | 247.0703
Group | III.B
Oxidation numbers | 3, 4
Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 5f9 6d0 7s2
Density [g/cm3] | 14.8
State | Solid
Melting point [°C] | 1020
Thermal conductivity [W m-1K-1] | 10
Discovery | 1949
1.st ionization energy [eV] | 6.23
Stable isotopes | 0
Unstable isotopes | 8