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Excluding hydrogen and helium , the smal...

Excluding hydrogen and helium , the smallest element in the periodic table is _______

A

Lithium

B

Oxygen

C

Fluorine

D

Chlorine

Text Solution

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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 element with atomic number 103 is

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  2. Elements whose atoms have their s and p- sublevels complete are the

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  3. Excluding hydrogen and helium , the smallest element in the periodic t...

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  4. The general electronic configuration of s- block element is

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  5. The p- bloks elements comprise of group

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  6. The general electronic configuration of p- block element is

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  7. The general electronic configuration of d- block element is

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  8. d- block elements form compounds.

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

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  10. The element with atomic number 31 belongs to

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

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

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

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

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

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

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

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

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

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  20. Across the period , Ionisation energy

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