alleryFormal charge on an atom =
A(valence e⁻) − (non-bonding e⁻) − ½(bonding e⁻)
Bgroup number + period
Cvalence e⁻ + bonding e⁻
Dprotons − neutrons
Answer & Solution
Correct answer: A. (valence e⁻) − (non-bonding e⁻) − ½(bonding e⁻)
Formal charge = V − N − B/2, where V = valence electrons, N = lone-pair electrons, B = bonding electrons.
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