The ionisation energy of nitrogen is more than that of oxygen because :-

Which of the following has the highest first ionisation energy?

The correct order of first ionisation enthalpy of the given elements is:

An element has successive ionization enthalpies as $940 \, kJ \, mol^{-1}$ (first),$2080 \, kJ \, mol^{-1}$,$3090 \, kJ \, mol^{-1}$,$4140 \, kJ \, mol^{-1}$,$7030 \, kJ \, mol^{-1}$,$7870 \, kJ \, mol^{-1}$,$16000 \, kJ \, mol^{-1}$ and $19500 \, kJ \, mol^{-1}$. To which group of the periodic table does this element belong?

The second ionization enthalpy of an element is always higher than its first ionization enthalpy because

Which of the following processes is non-spontaneous?