Element description Pa ions I II III IV V VI

Atom of Protactinium, Z=91, I.P.=249000 -1


References:

Brewer L. // JOSA - 1971 - Vol.61 - P. 1666-1688.

Urer G., Ozdemir L. // Naturforsch Teil A - 2012 - Vol. 67 - P. 89-98. 

 

Electronic structure

Found 12 levels. [view]