Problem: Suppose a particular AB3 molecule has the resonance structureHow many electron domains are there around the A atom?

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We are being asked to determine the number of electron domains around the A atom in the figure below

A has a pair of dots below, and is single bonded left and right to B, which each have three pairs of dots, and double bonded above to B, which has two pairs.

Recall: Electron domain refers to the number of lone pairs or bond locations around a particular atom in a molecule

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Problem Details

Suppose a particular AB3 molecule has the resonance structure

A has a pair of dots below, and is single bonded left and right to B, which each have three pairs of dots, and double bonded above to B, which has two pairs.


How many electron domains are there around the A atom?

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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 Molecular vs Electron Geometry concept. You can view video lessons to learn Molecular vs Electron Geometry. Or if you need more Molecular vs Electron Geometry practice, you can also practice Molecular vs Electron Geometry practice problems.

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