Actinium

Energy levels of neutral Actinium - ²²⁷Ac I even and odd

• Introduction
• References
• Actinium I even
• Actinium I odd

Energy levels of singly-ionized Actinium - ²²⁷Ac II

• Introduction
• References
• Actinium II even
• Actinium II odd

Energy levels of doubly-ionized Actinium - ²²⁷Ac III

• Introduction
• Actinium III even
• Actinium III odd

Energy levels of sixty-two times ionized Actinium - Ac LXIII

• Introduction
• References
• Actinium LXIII