Removal of 2nd electron is always :-

(1) Endothermic

(2) Endothermic for Mg, Be, N

(3) Exothermic for Mg, Be, N and noble gases

(4) Depends of electronic configuration

Concept Videos :-

#8 | Ionisation Enthalpy: Introduction
#9 | Calculation of Ionisation Enthalpy
#10 | Factors affecting Ionisation Enthalpy
#11 | Trends in Ionisation Enthalpy
#12 | Application of Ionisation Enthalpy
#13 | Solved Problems

Concept Questions :-

Ionization Energy (IE)

 

 

Difficulty Level:

  • 64%
  • 12%
  • 12%
  • 13%