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The size of isoelectronic species O^(-2)...

The size of isoelectronic species `O^(-2) F^(-)` and `Na^(+)` is affected by:

A

nuclear charge `(Z)`

B

valence principal quantum number `(n)`

C

electron-electron interaction in the outer orbitals.

D

none of the factors because their size is the same.

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The correct Answer is:
A
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RESONANCE-PERIODIC TABLE & PERIODICITY-Exercise
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  2. Choose the correct order of atomis radii of Fluorine and Neon (in pm) ...

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  3. The size of isoelectronic species O^(-2) F^(-) and Na^(+) is affected ...

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

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  5. Which one of the following statements is incorrect in relation to ioni...

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  6. The first ionisation enthalpies (in eV) of N & O are respectively give...

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  7. The first ionisation potential of Na,Mg,Al and Si are in the order

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  8. Which represents alkali metals (i.e. 1^(st) group metals) based on (IE...

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  9. Which of the following relation is correct with respect to first (I) a...

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  10. Among halogens, the correct order of amount of energy released in elec...

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  11. Which of the following will have the most negative electron gain entha...

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  12. The order of electron gain enthalpy (magnitude) of O, S and Se is:

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  13. Electronic configuratios of four elements A, B, C and D are given belo...

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  14. Which of the following statements is correct?

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  15. Which of the following is affected by the stable electron configuratio...

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  16. The electronegativity values of C, N, O and F on Pauling scale:

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  17. Correct order of electronegativity of N,P,C and Si on Pauling scale is...

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  18. The correct order of electronegativity on Pauling scale is:

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  19. Which of the following is most electronegative element.

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  20. Which of the following is true about the element .(33)As according to ...

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