atome et ion

Quiz
•
Chemistry
•
4th Grade
•
Hard
Used 221+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un atome est constitué de:
de protons et d'électrons
d'un noyau et d'électrons
de molécules
de vide
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La charge du noyau est
neutre
positive
négative
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
l'électron est électriquement
positif
négatif
neutre
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un atome est électriquement neutre
faux
vrai
ça dépend de l'atome
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Combien de protons y a-t-il dans l'atome de lithium?
7
3
6,9
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est le symbole de l'atome de calcium?
CA
Cr
Cl
Ca
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un ion c'est un atome ou une molécule qui a...
perdu ou gagné des électrons
perdu ou gagné des protons
perdu ou gagné des neutrons
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