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Jusqu'au prochain examen le 14–15 novembre 2026 :

Atomic Structure & Periodic Law Interactive Demo

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Key Formulas

En=−13.6Z2n2 eVE_n = -13.6\frac{Z^2}{n^2}\text{ eV}
atomic structureelectron configurationperiodic lawatomic radiusionization energyelectronegativityCSCA chemistry