romanevty romanevty

09-11-2022
Physics

contestada

du fluor est F 15² 253 20²
1. Justifier le choix de la configuration électronique de l'atome de chlore parmi les
propositions suivantes :
15² 25² 2p 3s²3p4
1s² 25² 2p 3s²3p³
15² 25² 2p 3s 3p6
2. Combien d'électrons de valence cet atome possède-t-il?
3. Exploiter les configurations électroniques du chlore et du fluor pour en tirer une
conclusion.

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