Berkelium

Atomic Number: 97

Name: Berkelium

Symbol: Bk

Atomic Weight: 247

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p⁶4f¹⁴5d¹⁰5f⁹6s²6p⁶7s²