Chem help

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Questions

The following questions were asked by visitors named Chem help.

I do I figure out which bond is longest a. C-F b. C-N c. Si-Se d. C≡N e. Si-Br The answer is c. but I don't understand??? Please answer quick. Thanks.

Answers

The following answers were posted by visitors named Chem help.

wait how is Si and Se closer to each other than C-N, they are right next to each other, and what about with double and triple bonds? Thanks.