Problem: Explain why Br3– and I3– are stable, while F3– is not.

FREE Expert Solution

Draw the Lewis structures:

All are from Group 7A (halogens) → 7 valence electrons x 3

-charge  → +1 electrons

Total = 22 elctrons

Br3


I3 

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Problem Details

Explain why Br3 and I3 are stable, while F3 is not.

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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 Lewis Dot Structures: Exceptions concept. You can view video lessons to learn Lewis Dot Structures: Exceptions. Or if you need more Lewis Dot Structures: Exceptions practice, you can also practice Lewis Dot Structures: Exceptions practice problems.

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