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Class 12Chemistryd-and f-Block ElementsLanthanoids and Actinoids
Easy

Which element in the lanthanoids is radioactive?

  • A
    Promethium $(Pm)$
  • B
    Lutetium $(Lu)$
  • C
    Ytterbium $(Yb)$
  • D
    Samarium $(Sm)$
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

d-and f-Block Elements

Subtopic

Lanthanoids and Actinoids

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