|     |
  Proton   |
  Neutron |
  Nuclear Spin |
Energy State |
|   231Ac   |
  89   |
  142   |
  1/2   |
    |
Actinium Nucleus 231Ac Layered View


Actinium Nucleus 231Ac Front View

Actinium Nucleus 231Ac Back View

Actinium Nucleus 231Ac Left View

Actinium Nucleus 231Ac Right View