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Ecriture conventionnelle atome
bernard.farno
Created on November 2, 2023
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Transcript
La masse d'un noyau de Berylium est égale à 1,53 x 10-26 kg. Son noyau a 4 fois moins de neutrons que de protons dans le noyau de calcium. Etablir l'ecriture conventionnelle du noyau de l'atome de Berylium.
Aide :-masse d'un nucléon : 1,7 x 10 -27 kg -classification périodique
Be
Bravo ! Le chiffre en position 2 du code du coffre est "8"
VALIDER