Problem: How many lone pairs are on the central atom in BrF3? Express your answer numerically as an integer.

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We are asked how many lone pairs are on the central atom in BrF3


Analyze Lewis strucutre: 

Br → Central atom → Group 7A → 1 x 7 ve =  7 ve 

F → Group 7A → 3 x 7 ve =  21 ve 

Total = 28 ve


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Problem Details

How many lone pairs are on the central atom in BrF3? Express your answer numerically as an integer.

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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 Robbins' class at UNE.