Les atomes et les ions

Quiz
•
Chemistry
•
6th - 8th Grade
•
Medium

AHMED ELBERKAOUI
Used 1+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
13
14
15
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Combien y a-t-il d’électrons dans l’atome de silicium ?
14 e
15 e
16 e
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
l’atome de zinc (Zn) peut passer à l’état d’ion en perdant 2 électrons. Quelle est la formule de l’ion correspondant ?
Zn 3+
Zn 2+
Zn 2-
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Combien y a-t-il d’électrons dans l’atome de carbone ?
4 e
5 e
6 e
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la charge de l'ion sodium (Na) lorsqu'il perd un électron ?
Na 1+
Na 2+
Na 1-
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est le numéro atomique de l’atome de fer ?
25
26
27
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