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The 4f level is successively filled up i...

The 4f level is successively filled up in

A

Alkali metals

B

Rare gases

C

Lanthanides

D

Actinides

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The correct Answer is:
C
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NARAYNA-PERIODIC TABLE -All Questions
  1. The atomic numbers of Lanthanides are from

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  2. The first lanthanide is

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  3. The 4f level is successively filled up in

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  4. Lanthanides are group of elements in which the differentiating electro...

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  5. Most of the ratio active elements are in

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  6. The elements with atomic numbers 2, 10, 18 36, 54, and 86 are collecti...

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  7. Which of the following represents the electronic configuration of d-bl...

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  8. The general configuration (n-1)d^(3)ns^(2) indicates that particular e...

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  9. If the valency shell electronic structure for an element is ns^(2) np^...

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  10. Variable valency is shown by

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  11. Which one of the following belongs to representative group of elements...

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  12. The element californium belongs to a familt of

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  13. Transitio metals are often paramagnetic due to

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  14. A member of Lanthanide

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  15. Which is wrong about transition metals?

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  16. The electron configuration of the starting and ending elements of four...

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  17. In which of the following period a maximum number of 32 elements are p...

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  18. The element having 18 electrons in its outer most shell is:

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  19. The maximum number of valency electrons possible for atom in the secon...

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  20. The atomic number of an element 'X' is 34. Then it is present in peri...

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