B (less electronegative than F) → central atom
Total number of valence electrons:
Group Valence Electrons
B 3A 1 × 3 e– = 3 e–
F 7A 4 × 7 e– = 28 e–
Charge = -1 Add: 1 e–
Total: 32 valence e–
• F prefers to forms only one (1) bond (when not central atom)
Write a Lewis structure for BF4 –.
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Our data indicates that this problem or a close variation was asked in Chemistry - OpenStax 2015th Edition. You can also practice Chemistry - OpenStax 2015th Edition practice problems.