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In this video we will talk about the Lewis Scheme in 1ère Spé. We will therefore see that of an atom, that of an atomic ion, that of a molecule, that of a polyatomic ion. To access the rest of the playlist, it's here: • Chemistry - 1ère Spé ???? Visit us on the site: https://mathrix.fr/ ???? Subscribe: http://tinyurl.com/kx99x2n ???? Instagram @MathrixVideos (stories & lives) ???? Snapchat MathrixVideos (stories) ???? Twitter / mathrixvideos ???? Facebook https://www.fb.me/mathrix.fr