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In BH3, boron forms 3 bonds, one with each hydrogen atom. The formal charge (FC) is calculated as follows: FC = (valence electrons) - (non-bonding electrons + 1/2 bonding electrons). For boron: FC = 3 - (0 + 1/2*6) = 0 For each hydrogen: FC = 1 - (0 + 1/2*2) = Show more…
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