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Which of the following combination contains only
P
isoelectronic species
W
(1) \( \mathrm{N}^{3-}, \mathrm{O}^{2-}, \mathrm{Cl}^{-}, \mathrm{Na}^{+} \)
(2) \( \mathrm{F}^{-}, \mathrm{O}^{2-}, \mathrm{S}^{2-}, \mathrm{Cl}^{-} \)
(3) \( \mathrm{P}^{3-}, \mathrm{S}^{2-}, \mathrm{Cl}^{-}, \mathrm{Si}^{4-} \)
(4) \( \mathrm{N}^{3-}, \mathrm{F}^{-}, \mathrm{O}^{2-}, \mathrm{C}^{4-} \)
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