What is the valency of an atom if its successive ionisation energies respectively are `800,900,925,25356,32456`KJ/mole?

The five successive ionisation energies energies of an element 'X' are 800, 1427, 2658, 25024 and 32824 "KJ mole"^(-1) respectively . The valency of 'X' is :

The five successive ionisation energies energies of an element 'X' are 800, 1427, 2658, 25024 and 32824 "KJ mole"^(-1) respectively . The valency of 'X' is :

What is the ionisation energy of hydrogen atom?

The ionisation energy of hydrogen atom is 13.6eV. What is the ionisation energy of He ?

What is ionisation energy of atom? What is the value of it for hydrogen atom?

The first three successive ionisation energies of an element Y are 900, 1757 and 14850 kJ mol^(-1) respectively. The element Y belongs to