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Chemistry
The group having isoelectronic species is :
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Q. The group having isoelectronic species is :
JEE Main
JEE Main 2017
Structure of Atom
A
$O^{2-} ,\, F^{-} ,\, Na ,\, Mg^{2+}$
11%
B
$O^{-} ,\, F^{-} ,\, Na^{+} ,\, Mg^{2+}$
8%
C
$O^{2-} ,\, F^{-} ,\, Na^{+} ,\, Mg^{2+}$
75%
D
$O^{-} ,\, F^{-} ,\, Na ,\, Mg^{+}$
5%
Solution:
$Mg ^{2+},\, Na ^{+},\, O ^{2-}$ and $F ^{-}$ all have 10 electrons each.