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Which one of the following groupinga rep...

Which one of the following groupinga represents a collection of isoelectronic species ?
[ At.nos- Cs - 55 , Br - 35 ]

A

`Ca^(2+)` , `Cs^+` , Br

B

`Na^+` , `Ca^(2+)` , `Mg^(2+)`

C

`N^(3-) , F^- , Na^+`

D

Be, `Al^(3+), Cl^-`

Text Solution

Verified by Experts

The correct Answer is:
C
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MBD PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
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  5. Which is an amphoteric oxide ?

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  6. The order of E.A of F, Cl, Br, and I is :

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  7. Which one of the following sets of ions represents a collection of iso...

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  8. Which of the following electronic comfigurations has the lowest ionosa...

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  9. Name the elements of group IA of the periodic table .

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  10. Which two element of the second period of the periodic table have both...

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  11. Which of the following has the smallest size ?

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  12. Which halogen shows only one oxidation number in its compounds ?

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  13. Whiuch of the following elements has the lowest electronegativity ?

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  14. Which of the following elements has the highest ionisation potential ?

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  15. Arrange the following in order of increasing electronegativity: S, CL,...

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  16. Arrange the following in order of increasing size: Cl, Cl^+ , Cl^-

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  17. Name any two element from d-block in long form of periodic table .

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  18. Which of the following has largest size ?

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  19. Which of the following has the small size ?

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  20. Which of the following is a d-block element in the periodic table ?

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