Give the number of pairs of valence electrons for B Br₃.

Name: Give the number of pairs of valence electrons for B Br 3 .
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Boron (B) has 3 valence electrons and each Bromine (Br) has 7 valence electrons. In BBr3, there are 3 Bromine atoms, contributing a total of 21 valence electrons. Adding Boron's 3 valence electrons gives a total of 24 valence electrons. Dividing by 2 gives 12 pairs of valence electrons.

Give the Number of Pairs of Valence Electrons for B