Berkelium

Energy levels of neutral Berkelium - ²⁴⁹Bk I

• Introduction
• References
• Berkelium I even
• Berkelium I odd

Energy levels of singly-ionized Berkelium - ²⁴⁹Bk II

• Introduction
• References
• Berkelium II even
• Berkelium II odd

Energy levels of trebly-ionized Berkelium - ²⁴⁹Bk IV

• Introduction
• References
• Berkelium IV