Problem: Consider the Lewis structure for glycine, the simplest amino acid:What is the total number of σ bonds in the entire molecule, and what is the total number of π bonds?

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We are asked to identify the total number of σ bonds in the entire molecule, and what is the total number of π bonds


Single bonds → 1 σ bonds 

Double bond → 1 σ bonds + 1  π bonds

Triple bond → 1 σ bonds + 2 π bonds


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Problem Details

Consider the Lewis structure for glycine, the simplest amino acid:

What is the total number of σ bonds in the entire molecule, and what is the total number of π bonds?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Valence Shell Electron Pair Repulsion Theory concept. You can view video lessons to learn Valence Shell Electron Pair Repulsion Theory. Or if you need more Valence Shell Electron Pair Repulsion Theory practice, you can also practice Valence Shell Electron Pair Repulsion Theory practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Causey's class at UNF.