Which of the Following is a lanthanoid?

  • Option 1)

    T_{a}

  • Option 2)

    Rh

  • Option 3)

    Th

  • Option 4)

    Lu

 

Answers (1)
V Vakul

 

Lanthanoides -

The fourteen elements from  Ce - Lu is Lanthanoids but the properties of La is much closer to lanthanoid.

- wherein

eg\rightarrow\:La_{(not\:lanthanoid)}\:Ce....Lu

 

 The fourteen elements from Ce----Lu are called Lanthanoids. Of all the elements given only Lu falls in the category. 


Option 1)

T_{a}

This option is incorrect

Option 2)

Rh

This option is incorrect

Option 3)

Th

This option is incorrect

Option 4)

Lu

This option is correct

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