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Chemistry
Chemistry
Problem
In which of the following species central atom is NOT surrounded by exactly 8 valence electrons? a.
BF
4
−
\text{BF}_4^-
BF
4
−
b.
NCl
3
\text{NCl}_3
NCl
3
c.
PCl
4
+
\text{PCl}_4^+
PCl
4
+
d.
SF
4
\text{SF}_4
SF
4
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