Chemical Bonding

Question 1

What is ionization enthalpy

Answer 1

Energy required to remove loosely bound electrons from an isolated gaseous atom is called ionization enthalpy.
Successive ionization enthalpies are always greater.
I.E=+ve

Question 2

Define Electron gain enthalpy

Answer 2

Energy released when a neutral atom accepts electrons.
Group 17 (halogens) have max. value of electron gin enthalpy.