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Ca^(2+) is isoelectronic with...

`Ca^(2+)` is isoelectronic with

A

`Mg^(2+)`

B

`Kr`

C

`Ar`

D

`Na^(o+)`

Text Solution

Verified by Experts

The correct Answer is:
C
Both `Ca^(2+)` and `Ar` have same number of electrons, i.e. isoelectronic.
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CENGAGE CHEMISTRY ENGLISH-S-BLOCK GROUP 2 - ALKALINE EARTH METALS-Exercises Single Correct
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  4. Which of the following decomposes at highest temperature?

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  7. The basic strength of which hydroxide is maximum

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  8. Of the following , and amphoteric hydroxide is

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  9. The following compounds have been arranged in order of their increasin...

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  10. Magnesium combines with nitrogen to form a nitride, which reacts with ...

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  11. Which has the highest electronegativity?

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  12. Which of the folowing undergoes disproportionation?

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  13. Which of the following is soluble in acetic acid?

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  14. Which of the following fluoride is more soluble in water?

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  16. Epsom salt's chemical formula is

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  17. Which of the following alkaline earth metal oxide is most basic?

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  18. Which of the following metal reacts with cold H(2)O with the evolution...

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  19. Which of the following salt will give a green colour in fire works?

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  20. Which of the following does not contain the true peroxide ion?

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