Protactinium Nucleus 231Pa

      Proton     Neutron   Nuclear Spin Energy State
  231Pa     91     140     -3/2      

Protactinium Nucleus 231Pa Layered View

231Pa

 

231Pa

Protactinium Nucleus 231Pa Front View

231Pa

Protactinium Nucleus 231Pa Back View

231Pa

Protactinium Nucleus 231Pa Left View

231Pa

Protactinium Nucleus 231Pa Right View