Stable isotope Bohrium (Bh)

Isotope Atomic Mass Half-life Mode of decay Nuclear spin Nuclear magnetic moment
Bh-260 260.1218 No data available α to Db-256 No data available No data available
Bh-261 261.1218 0.0118 seconds α to Db-257; SF No data available No data available
Bh-262 262.12293 0.102 seconds α to Db-258; SF No data available No data available
Bh-263 263.1231 No data available No data available No data available No data available
Bh-264 264.1247 0.44 seconds α to Db-260 No data available No data available
Bh-265 265.1251 No data available No data available No data available No data available
Bh-266 266.1270 No data available α to Db-262 No data available No data available
Bh-267 267.1277 No data available α to Db-263 No data available No data available
Bh-271 271 No data available α to Db-267 No data available No data available
Bh-272 272 9.80 seconds α to Db-268 No data available No data available
  Properties of Bohrium
Name Bohrium
Symbol Bh
Atomic number 107
Atomic weight [272]
Standard state Presumably a solid at 298 °K
CAS Registry ID 54037-14-8
Group in periodic table 7
Group name None
Period in periodic table 7
Block in periodic table d-block
Color Unknown, but probably metallic and silvery white or grey in appearance
Classification Metallic
Melting point No data available
Boiling point No data available
Density of solid 27.2 g/cm3 (predicted)
Electron configuration [Rn]5f146d57s2 (calculated)