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???? Revision sheet + Corrected exercise ✅ Lewis, valence electron, doublet, bond, gap ▶️ Playlist ???? Lewis diagram, geometry & polarity ???? First Specialization: • LEWIS diagram, GEOMETRY & POLARITY... ???? Chapters 00:09 Lewis diagram → Revision sheet 02:18 What is an electron gap? 03:48 Practice ???? Corrected exercise ???? Final year Physics-Chemistry program: → Lewis diagram of a molecule, a monoatomic or polyatomic ion. → Electron gap.