For one of the elements, various successive ionization enthalpies (in $ \text{kJ/mol} $) are given below: I.E 1st 2nd 3rd 4th 5th 577.5 1810 2750 11,580 14,820 The element is:

Question

For one of the elements, various successive ionization enthalpies (in $ \text{kJ/mol} $) are given below: