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which among the following species has th...

which among the following species has the same number o f electrons in its outermost as well as penultimate shell ?

A

`Mg^(2+)`

B

`O^(2-)`

C

`F^(-)`

D

`Ca^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
D
`Ca^(2+) = 2,8,8`
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PRADEEP-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -Competition Focus (Jee Main and Advanced / Medical Entrance ) ( Multiple Choice Question I )
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  2. The correct arrangement for the ions in the increasing order of...

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  5. In the crystals of which of the following ionic compounds would you ex...

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  6. Which of the following species will have the largest and the smallest ...

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  7. Among the following which has the highest cation to anion size ratio ...

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  8. Which one of the following has minimum value of size of cation/anion r...

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  9. Which of the following has the largest size?

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  10. Identify the least stable ion amongst the following:

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

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  12. If the IP of Na is 5.48 eV, the ionsation potential of K will be

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  13. The first ionisation potential of Na ,Mg and Si are respectively 496,7...

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  14. The first ionisation potentials (eV) of Be and B respectively are

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  15. In the following, the element with the highest ionization energy is

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  16. Which electronic configuration will show the highest first ionization ...

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  17. The increasing order of the first ionization enthalpy of the elements ...

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  18. With which of the following electronic configuration of an atom has th...

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  19. The correct order of ionisation energy of C, N, O and F is

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  20. Which of the following orders about ionization energy is correct...

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