
AD2 de nouveaux éléments chimiques
Authored by laurent rimbourg
Chemistry, Physics
KG - University
Used 2+ times

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11 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
Q1. Quelles particules trouve-t-on dans le noyau ?
des électrons
des protons
des atomes
des neutrons
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q2. Quelle est l'écriture symbolique du noyau de l'élément OGANESSAN ?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Z = 16 protons
N = 8 neutrons
Z = 8 protons
N = 16 neutrons
Z = 8 protons
N = 8 neutrons
Z = 8 neutrons
N = 22 neutrons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q4. Quel type de réaction nucléaire a permis la formation du noyau "lourd" d'OGANESSON ?
fusion
fission
radioactivité alpha
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q5. L'équation de la réaction nucléaire à l'origine de la formation du noyau "lourd" d'OGANESSON s'écrit :
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q6. Le noyau d'OGANESSON est radioactif. Qu'est-ce que cela signifie ?
parce qu'il a été formé par une réaction nucléaire de fusion.
parce qu'il peut se désintégrer si on lui envoie un neutron rapide.
parce qu'il peut se désintégrer spontanément ?
parce qu'il est stable.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q7. Quelle est l'écriture symbolique d'une particule alpha ?
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