97Solid
Bk 247 Atomic mass · uActinides
Berkelium
Berkelium is a transuranic radioactive chemical element with symbol Bk and atomic number 97. It is a member of the actinide and transuranium element series. It is named after the city of Berkeley, California, the location of the University of California Radiation Laboratory where it was discovered in December 1949.
Discovery 1949 (Lawrence Berkeley National Laboratory)
K2L8M18N32O27P8Q2
Physical properties
Values for the element in its standard state.
- Density
- 14.78g/cm³
- Melting point
- 1,323K
- Boiling point
- Not available
- Atomic radius
- Not available
- Bonding type
- Metallic
- Molar heat
- Not available
Inside the atom
Electron arrangement and the energy behind its behavior.
Full electron configuration
1s, 2 electrons; 2s, 2 electrons; 2p, 6 electrons; 3s, 2 electrons; 3p, 6 electrons; 3d, 10 electrons; 4s, 2 electrons; 4p, 6 electrons; 4d, 10 electrons; 5s, 2 electrons; 5p, 6 electrons; 4f, 14 electrons; 5d, 10 electrons; 6s, 2 electrons; 6p, 6 electrons; 5f, 9 electrons; 7s, 2 electrons;
[Rn] represents 86 core electrons. The full view shows them explicitly.
97 electrons Orbital order preserved from source
- Electronegativity
- 1.3Pauling scale
- First ionization energy
- 601kJ/mol
- Electron affinity
- Not available
- Van der Waals radius
- Not available
Bk BerkeliumAtomic number 97
601kJ/mol
Atomic numberGaps indicate unavailable data
About berkelium
- Appearance
- Silvery
- Discovery
- 1949 (Lawrence Berkeley National Laboratory)
- Data source
- Read the reference
A missing value means it is unavailable in this reference dataset. Values can vary with measurement method and conditions.