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Question: Answered & Verified by Expert
What is the factor that causes ionization enthalpy to be unusually high for Cr and Cu?
Chemistryd and f Block ElementsNEET
Options:
  • A Presence of more s electrons
  • B Presence of more d electrons
  • C Presence of more p electrons
  • D Presence of more f electrons
Solution:
2738 Upvotes Verified Answer
The correct answer is: Presence of more d electrons
The ionization enthalpy is unusually high for Cr and Cu due to the presence of more d electrons.

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