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Which of the following, is prepared arti...

Which of the following, is prepared artificially?

A

Ce

B

Pm

C

Pr

D

Am

Text Solution

Verified by Experts

The correct Answer is:
B
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NIKITA PUBLICATION-D-AND F-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS
  1. The transuranic elements are prepared by

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  2. Which element is not naturally occuring ?

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  3. Which of the following, is prepared artificially?

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  4. The lanthanide have general electronic configuration

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  5. The outer electronic coonfiguration of cerium is

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  6. Match list I and II and select the correct answer using the code given...

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  7. Which of the following elements shows 6s^(2) , 4f^(7) 5d^(1) electroni...

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  8. Lutetium has electronic configuration

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  9. Gadolinium contain one electron in 5d-orbital due to

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  10. In which of the following elements one electron is present in 5d orbit...

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  11. Which of the following is expected electronic configuration of europiu...

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  12. The expected electronic configuration of cerium is

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  13. How many unpaired electrons present in 4f-orbital of lutetium ?

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  14. As atomic number increases from 57 to 71 in tripositive lanthanon, the...

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  15. The electronic configuration of gaedolinium.

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  16. Which of the following has 4f^(7) configuration

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  17. How many total number of unparied electrons in Gd are

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  18. The electronic configuration of actinides Cannot be assigned with degr...

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  19. The outer electronic configuratio of actinide elements is

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  20. Which one of the following is an electronic configuration of thorium?

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