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4e 2021 atome

4e matière

Carbone (symbole et modèle?) C ; bille de couleur noir (Atome?)
Oxygène (symbole et modèle?) O ; bille de couleur rouge (Atome?)
Hydrogène (symbole et modèle?) H ; bille de couleur blanche (Atome?)
Azote (symbole et modèle?) N ; bille de couleur bleu (Atome?)
Eau (formule chimique?) H20 (matière?)
Dioxyde de carbone (formule chimique?) CO2 (matière?)
Méthane (formule chimique?) CH4 (matière?)
Dioxygène (formule chimique?) 02 (matière?)
Diazote (formule chimique?) N2 (matière?)
Corps pur (au niveau microscopique ?) Toutes les molécules sont parfaitement identiques : même taille, même forme, même masse (c'est un ? )
Created by: eraxit
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