For an element `(X)` the successive ionisation energies, `IE_(1), IE_(2), IE_(3), IE_(4)` and `IE_(5
Channel: Doubtnut
Date: 26/07/2020

For an element `(X)` the successive ionisation energies, `IE_(1), IE_(2), IE_(3), IE_(4)` and `IE_(5)` are `800, 2427, 3658, 25024` and `32824 kJ mol^(-1)` respectively, then that what is the number of valence electrons present in the element?.