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NEETChemistryd and f Block Elements

Which energy levels are mentioned as having comparable energies in actinoids?

Options

  1. A4f, 5d, and 6s
  2. B3p, 4d, and 5s
  3. C6p, 7d, and 5s
  4. D5f, 6d, and 7s

Correct answer

D. 5f, 6d, and 7s

Step-by-step solution

The 5f, 6d, and 7s levels in actinoids have comparable energies.

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