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Synthetic radioactive elements present i...

Synthetic radioactive elements present in actinides are

A

9

B

10

C

11

D

12

Text Solution

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The correct Answer is:
C
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NIKITA PUBLICATION-D-AND F-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS
  1. Naturatl rasioctive elements of actinide series are

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  2. How many transuranium elements present in 5f series ?

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  3. Synthetic radioactive elements present in actinides are

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  4. Naturally occuring radio active elements present in second inner trans...

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  5. Which of the following is transuranium element ?

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  6. Lanthanide elements are called as rare earth because

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  7. The transuranic elements are prepared by

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  8. Which element is not naturally occuring ?

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  9. Which of the following, is prepared artificially?

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  10. The lanthanide have general electronic configuration

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  11. The outer electronic coonfiguration of cerium is

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

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

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  14. Lutetium has electronic configuration

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

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

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

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  18. The expected electronic configuration of cerium is

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

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

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