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Iron Ionization Energy

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

Ionization Energy

Fe -> Fe1+ = 759.3 kJ/mol = 181.65 Kcal/mol
Fe1+ -> Fe2+ = 1561 kJ/mol = 373.44 Kcal/mol
Fe2+ -> Fe3+ = 2957 kJ/mol = 707.42 Kcal/mol
Fe3+ -> Fe4+ = 5290 kJ/mol = 1265.55 Kcal/mol
Fe4+ -> Fe5+ = 7240 kJ/mol = 1732.06 Kcal/mol
Fe5+ -> Fe6+ = 9600 kJ/mol = 2296.65 Kcal/mol
Fe6+ -> Fe7+ = 12100 kJ/mol = 2894.74 Kcal/mol
Fe7+ -> Fe8+ = 14575 kJ/mol = 3486.84 Kcal/mol
Fe8+ -> Fe9+ = 22678 kJ/mol = 5425.36 Kcal/mol
Fe9+ -> Fe10+ = 25290 kJ/mol = 6050.24 Kcal/mol

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