Indicate the noble gas that has the same Lewis structure as each ion.
(a) [tex]\mathrm{Se}^{2-}[/tex]
(b) [tex]\mathrm{I}^{-}[/tex]
(c) [tex]\mathrm{Sr}^{2+}[/tex]
(d) [tex]\mathrm{F}^{-}[/tex]