Class 11 Chemistry The S Block Elements Ionization Enthalpy of alkaline earth metal

Ionization Enthalpy of alkaline earth metal

  • Ionization energy is the quantity of energy required to remove loosely bound electron from an atom.
  • They have low ionization enthalpies due to fairly large size of the atoms.
  • Ionization enthalpy decreases with the increase in atomic size down the group.

  • The first ionization enthalpy of these metals is higher than corresponding alkali metals due to the small size of these elements compared to the corresponding alkali metals.
  • The second ionization enthalpy of these metals is lower than corresponding alkali metals.

 

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