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noorimansoor2004
@noorimansoor2004
October 2020
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Bonsoir, quelq'un pourrait m'aider sur une question de physique s'il vous plaît Merci d'avance.
Le Voici :
" Calculez la masse d'un atome d'oxygène.que remarquez vous ?"
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cxbyeol
Bonsoir,
Masse atome = Z*m protons+(A-Z)* m neutron = Z*m électrons
m= 8*1.673*10-27+ (16-8)*1.675*10-27+8*9.109*10-31
m = 2.7*10-26 kg
1 votes
Thanks 0
noorimansoor2004
Je n'ais pas trop compris mais Merci quand-même..
ficanas06
Tu n'as surtout pas donné beaucoup de renseignements chiffrés !
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Masse atome = Z*m protons+(A-Z)* m neutron = Z*m électrons
m= 8*1.673*10-27+ (16-8)*1.675*10-27+8*9.109*10-31
m = 2.7*10-26 kg