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