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MHT CET202020 Oct 2020Morning ShiftChemistryd and f Block ElementsActual

Which among the following elements is radioactive?

Options

  1. ALu
  2. BNd
  3. CEu
  4. DPm

Correct answer

D. Pm

Step-by-step solution

Promethium ( Pm ) is the only radioactive lanthanide.

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