taille approchée d'un atome


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  • Comment calculer la masse approchée ?

    Pour calculer la masse approchée d'un atome, il faut appliquer la formule suivante : m atome = A x m nucléons.
    On obtient la masse de l'atome (m) en multipliant le nombre de nucléons (A) par la masse (m) d'un nucléon.25 jan. 2022

  • 120 pmHydrogène / Rayon de Van der Waals

  • Comment mesurer la taille d'un atome ?

    L'ordre de grandeur du rapport entre le diamètre de l'atome et celui du noyau est égal à : Le diamètre de l'atome est environ 100 000 fois plus grand que celui du noyau.
    Si le noyau de l'atome d'hydrogène de symbole H avait un diamètre égal à 1 mm, l'atome aurait un diamètre égal à 1 × 100 000 = 100 000 mm = 100 m.

  • Quelle est la taille approximative d'un noyau ?

    Le diamètre d'un atome est voisin de 10 exposant -8 cm ou encore 10 exposant -10 m.
    Celui d'un noyau est voisin de 10 exposant -15 m.

  • 4 oct. 2020 · Méthode pour calculer la masse d'un atome ✓ Mots clés : masse d'un atome, noyau, proton
    Durée : 3:27
    Postée : 4 oct. 2020Autres questions
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