Question
Which of these molecules is least likely to exist: $\mathrm{NF}_{5}$, $\mathrm{PF}_{5}, \mathrm{SbF}_{5},$ or $\mathrm{IF}_{5}$ ? Explain why.
Step 1
The octet rule states that atoms tend to form bonds in such a way that they have eight electrons in their outermost shell, achieving the same electron configuration as a noble gas. Show more…
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