Non! Les atomes peuvent se transformer mais disparaissent jamais.
L’eau est composée, elle-même d’atomes et donc les atomes peuvent interagir ensemble, ils ne se noient pas.
Les atomes se dissocient, cela signifie qu’ils se sépare pour former des petites molécules de gaz, tel que le CO2
Les atomes sont constitués d’un noyau et de petites particules que l’on appelle les électrons et qui tourne autour du noyau
Tous les atomes connus sont répertoriés dans le tableau périodique.
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