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The inner transition element that is rad...

The inner transition element that is radioactive is

A

Pm

B

Gd

C

Lu

D

Sm

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The correct Answer is:
A
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AAKASH INSTITUTE-THE D AND F-BLOCK ELEMENTS -Assingnment(Section -A ( Objective Type Questions)(One option is correct))
  1. In the dichromate dianion,

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  2. Which of the following oxide is acidic in nature ?

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  3. The inner transition element that is radioactive is

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  4. The lanthanide contraction is responsible for the fact that

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  5. Size of lanthanoid decrease becaue of poor screening of

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  6. The strongest base is

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  7. The element that is not present in misch metal is

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  8. Most stable oxidation state of Lanthanoids

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  9. When intimate mixture of potassium dichromate and potassium chloride i...

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  10. Which one of the following pairs of ions have the same electronic conf...

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  11. Cr(2)O(7)^(2-)+Xoverset(H^(o+))rarrCr^(3+)+H(2)O+ "oxidised product" o...

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  12. The reducing nature of any metal in aqueous solution depends upon a...

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  13. Which of the following oxide is basic ?

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  14. The spin only magnetic moment of transition metal ion found to be 5.92...

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  15. The correct electronic configuration of lanthanum is

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  16. Give the general electronic configuration of actinides.

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  17. Lanthanoid which is radioactive is

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  18. Which is correct

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  19. Lanthanides and Actinides generally differ in

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  20. Acidified K(2)Cr(2)O(7) on reaction with hydrogen peroxide give deep b...

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