Question
Asked Feb 13, 2020
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which one of the following ions is isoelectronic with krypton?

(a) Ca^2+  (b) K^+   (c) I^-  (d)Mg^2+   (e)Sr^2+

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Expert Answer

Step 1

Number of electrons in the given ions is determined as follows,

In a neutral atom, number of electrons will be equal to atomic mass.

Chemistry homework question answer, step 1, image 1

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