Electron valensi H=1 dan O=6
Jumlah pasangan e- valensi = 4
pasang
Pasangan electron berikatan = 2 pasang
Pasangan electron bebas = 4 – 2 = 2 pasang
Pada struktur lewis :
Jumlah pasangan electron pada atom pusat =
4 pasang
Jumlah pasangan electron berikatan = 2
pasang
Jumlah pasangan electron bebas = 2 pasang
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