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Question

What do you mean by Exchange Energy?


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Solution

Understanding the concept:

  • The exchange interaction, a quantum mechanical phenomenon, only occurs between identical particles.
  • Exchange energy is released when two or even more electrons of the same spin change places in a subshell's degenerate orbitals.

Importance of exchange energy:

  • Electrons with the same spin tend to interact with one another when they are located in distinct orbitals with the same energy.
  • This lowers the atom's energy.
  • Interchange energy is the term for the decrease in energy caused by the exchange of electrons in orbitals with the same energy.
  • This improves the stability of an atom.

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