Stabilité chimique des gaz nobles et configurations électroniques associées. Ions. Modèle de Lewis de la liaison de valence, schéma de Lewis, doublets liants et non-liants.
THEME : Constitution et transformation de la matière
En 1869, Dmitri Mendeleïev pose les bases de ce qui deviendra le tableau périodique. Près de 150 ans de recherche seront nécessaires pour confirmer l'existence des 118 atomes...
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