Problem: Draw Lewis structures of Br3–, I3– and F3–.

FREE Expert Solution


Br3 has a –1 charge, which means it gained an electron. The total number of valence electrons present in the molecule is:

            Group             Valence Electrons

Br        7A                       3 × 7 e21 e

                 From –1 charge:        + 1 e

            Total:  22 valence e

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Problem Details

Draw Lewis structures of Br3, I3 and F3.

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

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Based on our data, we think this problem is relevant for Professor Billman's class at Abilene Christian University.