Give the electronic configuration of O^2-and Na^+ ions are they iso electrons.
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Answer: atomic no of Na is= 11= no of electrons.
No of electrons in Na+ is 9
Electronic configuration is 1s2 2s2 2p6
Atomic no of O =8= no of electrons
No of electrons in O2- is 10
Electronic configuration will be same as Na..
Both contain same no of electron..these are isoelectronic spices.
Explanation:
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