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Whar are isolectronics species ? Account for the decrease in size of the following isoelectronics ions O^2 > F^-

Whar are isolectronics species ? Account for the decrease in size of the following isoelectronics ions O^2 > F^-

Grade:12th pass

1 Answers

Arun
25750 Points
5 years ago
Isoelectronic ions are the ions having same no of electrons....
e.g. F- and Na+ both contain 10 electrons each ...
And order of size will be....
O2- > F- > Na+ > Mg2+......
Because more the no of negative charge on element, more is the size & more is the positive charge on element, less is the size....

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