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MHT CET202410 May 2024Morning ShiftChemistryd and f Block ElementsActual

Which element from following has completely filled f-orbital in observed and expected electronic configuration?

Options

  1. ASm
  2. BPr
  3. CLu
  4. DDy

Correct answer

C. Lu

Step-by-step solution

The observed and expected electronic configuration of Lu ( Z =71) is [ Xe ] 4 f ¹⁴ 5 ~d ^1 6 ~s ^2

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