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In this video on the Lewis diagram (also called: Lewis model), we will explain the origin of this representation. From the electronic configuration of the chemical elements, we will see how they saturate their valence shell in order to adopt the same electronic configuration as the noble gases, and thus gain stability. Do not hesitate to watch the video on the methodology of the Lewis diagram: • LEWIS diagram - ✅ methodology (dou... Find other videos and methodological sheets to download for free: https://eprofs.fr Twitter: / e_profs Instagram: / e_profs_physique_chimie Facebook: / e-profs-467482426970398