Comment trouver le CORTÈGE ÉLECTRONIQUE d'un atome ? | Physique-Chimie (lycée)

🎯 High School (Year 11 course) ✅ Distribution of electrons by shell and subshell (1s, 2s, 2p, 3s, 3p) ✅ Electron procession of the atom ✅ Methodology for determining the electron procession and valence electrons of an atom On the same topic: ▶️ ELECTRONIC CONFIGURATION and position in the periodic table | Physics and Chemistry (High School)    • CONFIGURATION ÉLECTRONIQUE et position dan...   ▶️ Electron configuration of a noble gas | Year 11 | Exercise    • Configuration électronique d'un gaz noble ...   📑 Excerpt from the official program (10th grade): The atom's electron system Electronic configuration (1s, 2s, 2p, 3s, 3p) Determine the valence electrons of an atom (for Z less than or equal to 18)