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The elements in which extra electrons en...

The elements in which extra electrons enters into (n-2) f-orbitals are called_____ elements

A

p- block

B

d- block

C

f- block

D

s- bloks

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The correct Answer is:
c
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SURA PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-ADDITIONAL CHOOSE THE CORRECT ANSWER
  1. The general electronic configuration of d- block element is

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  2. d- block elements form compounds.

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  3. The elements in which extra electrons enters into (n-2) f-orbitals are...

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  4. The element with atomic number 31 belongs to

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  5. All the elements in a group in the periodic table have the same

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  6. Which pair of elements has the same characteristic chemical properties...

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  7. The IUPAC name of element having atomic number 108 is

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  8. Which among the following has the highest ionisation energy.

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  9. Arrange the following ions in order of decreasing ionic radii He, Li^(...

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  10. Assertion (A) : He and Be have similar outer shell electronic configur...

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  11. Which one among the following species has the largest atomic radius ?

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  12. The correct order of size among Br^(+), Br, Br^(-)

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  13. The elements having highest ionization energies within their periods a...

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  14. Across the period , Ionisation energy

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  15. Statements I : Ionisation energy of fluorine is greater than oxygen. ...

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  16. Which of the following statements are correct? (i) Helium has the ...

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  17. Which of the following factor decreases across the period ?

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  18. Ionisation enthalpy is an process

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  19. The effective nuclear charge across the period (from left to right)

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  20. Which of the following N^(3-),O^(2-),F^(-) is largest in size?

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