Berkelium (Bk), element 97 – Learn Acer periodic table

Berkelium

Actinide, atomic number 97.

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.

Facts

Symbol Bk. Atomic mass 247.0 u. Group 3, period 7. Electron configuration [Rn] 5f9 7s2. Electrons per shell 2, 8, 18, 32, 27, 8, 2. State at room temperature: Solid. Melting point 985.9 °C, boiling point 2626.8 °C. Discovered by Lawrence Berkeley National Laboratory.

Element data from Wikipedia, CC BY-SA 3.0.