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Question

The first ionization energy of the d-block elements are________.


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Solution

  • Ionisation energy is the minimum energy to remove the electron from the isolated gaseous atom.
  • The ionization energy of the d-block elements is larger than s-block and smaller than the p-block elements, between which, they are placed.
  • In the first series, except for chromium and copper first ionization energy involves removal from the filled s-orbital.
  • Among them, the ionization energy of d-block elements increases with the increase in atomic number up to Fe.
  • Thus, they are more electropositive than p-block elements and less electropositive than s-block elements.

Therefore, the first ionization energy of the d-block elements are between sandpblockelements.


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