Salut !
Quelle est la structure électronique de l'hélium ?
merci d'avance

By: USER6666
25 Agustus 2025 physique-chimie 5 minutes
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Question

Grade: Education Subject: physique-chimie
Salut !
Quelle est la structure électronique de l'hélium ?
merci d'avance
Asked by:
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Answer (86)

Best Answer
(161)
Salut,

L'atome d'hélium a pour numéro atomique 2. Il est électriquement neutre et a donc 2 électrons. Sa structure électronique est donc (K)²
Answered on 25 Agustus 2025

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