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3.11  What do you understand by isoelectronic species? Name a species that will be isoelectronic with each of the following atoms or ions.

(iv)   Rb^+

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Atoms and ions which contains the same number of electrons, are isoelectronic species.

GIven Rb^+  which has total of (37-1=36) electrons.

Thus, the species having the same number of electrons are

Br^- ion having (35+1=36)electrons,  or Kr having 36 electrons,

or Sr^{2+} ion  (38-2 =36) electrons.

Posted by

Divya Prakash Singh

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