المصدر: محاضرة عن (Lewis Dot Structures ) في منتدى : قسم الكيمياء (hi)(hi)(hi)(hi) :gift::gift: محاضرة بعنوان Lewis Dot Structures تتضمن الموضوعات الاتيةThe octet ruleChemical Bonds, Lewis Symbols, and the Octet rule.Ionic Bonding.Covalent bondingMultiple Bonds and bond orderSlightly different Lewis dot representationsResonance structures: Ozone (O3) Resonance structures – the nitrite anion: (NO2-)The nitrate anion:Resonance in benzene.Exceptions to the octet rule.Exceptions to the octet rule: free radicalsExceptions to the Octet rule: Heavier atoms (P, As, S, Se, Cl, Br, I) may attain more than an octet of electronsMany phosphorus compounds do obey the octet rule:Some compounds greatly exceed an octet of electrons المحاضرة بالمرفقات