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The elements which occupy the peaks of i...

The elements which occupy the peaks of ionization energy curve, are

A

Na, K, Rb, Cs

B

Na, Mg, CI, I

C

Cl, Br, I, F

D

He, Ne, Ar, Kr

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The correct Answer is:
D
All the noble gases occupy the peaks of I.E. curve.
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BRILLIANT PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-LEVEL-I
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  2. Which of the following is not isoelectronic series:

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  3. The radius of isoelectronic series

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  4. In a period, the elements having least melting point are:

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  5. Which of the following represents a correct sequence of electronegativ...

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  6. Which of the following order of atomic/ionic radius is not correct

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  7. The best reason to account for the general tendency of atomic diameter...

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  8. In which of the following pairs, the ionisation energy of the first sp...

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  9. The correct order of stability of Al^(+), Al^(+2), Al^(+3) is

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  10. Which of the following transitions involves maximum amount of energy?

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  11. Which order is wrong:

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  12. Decreasing order of size of ions is:

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  13. Zinc does not show the variable valency as elements of d-block, becaus...

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  14. The correct order of ionization energies of F^(-), Cl^(-), F and Cl is

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  15. Lanthanoid contraction is caused due to:

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  16. Which of the following statements is correct with respect to the prope...

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  17. The elements which occupy the peaks of ionization energy curve, are

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  18. Ionic radii of

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  19. In which block, 106th element belongs

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  20. Similarity in chemical properties of the atoms of elements in a group ...

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