Oxide ion is isoelectronic with*
a) Phosphide ion
b) Chloride ion
c) sulphide ion
d) Magnesium ion
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Explanation:
Answer: isoelectronic species are species with same number of electrons . oxygen (0,z=8) has electrons but oxide ion (02-) with additional of 2 electrons has 10 electrons . in order to be isoelectronic with oxide ion (02-) the specie should has 10 electron
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