Chemical elements
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Promethium Ionization Energy






The Promethium Ionization Energy is the energy required to remove from atom one mole of electrons with subsequent production of positively charged ion of Promethium.
Pm -> Pm+ + e-
This process can be repeated many times, but the energy cost is increased dramatically. The general equation for the Promethium is:
PmN+ -> Pm(N+1)+ + e-


Ionization Energy

Pm -> Pm1+ = 535.9 kJ/mol = 128.21 Kcal/mol
Pm1+ -> Pm2+ = 1052 kJ/mol = 251.67 Kcal/mol
Pm2+ -> Pm3+ = 2150 kJ/mol = 514.35 Kcal/mol
Pm3+ -> Pm4+ = 3970 kJ/mol = 949.76 Kcal/mol
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