Match the correct ionisation enthalpies electron gain enthalpies of the following elements.

Match the correct ionisation enthalpies and electron gain enthalpies of the following elements.

Match the correct ionisation enthalpies and electron gain enthalpies of the following elements.

Explain the terms ionization enthalpy and electron gain enthalpy.

The correct order of negative electron gain enthalpy of halogens is

The first and second ionization enthalpies and electron gain enthalpy of some elements are as given below: Which of these elements is the most reactive metal?