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Methodology 💡 Electronic configuration of the type 1s2 2s2 2p6 ... How to find the electronic configuration of an atom? Also called electronic procession or electronic structure. Here is the method, in accordance with the new programs of the general second class. In this 4th video on the theme of the atom, we will cover the concepts of shells and subshells, valence electrons and we offer you several examples in order to arrive at electronic configurations of the type: 1s2 2s2 2p6 3s2 3p6 00:00 Explanation of the method 02:37 Exercise (It's your turn) ▶️ Revision QCM video: • QCM Revisions 2nd ✔️: Configuration ... For more videos and documents, find us on our website: https://eprofs.fr/ Twitter: / e_profs Instagram: / e_profs_physique_chimie Facebook: / e-profs-467482426970398 TikTok: / eprofs