Atomes et molécules
Authored by Shirley Arriat
Chemistry
7th Grade
Used 33+ times
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23 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pour la formule C2H6, la bonne molécule est :
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cette molécule est composée de
un atome d'oxygène et 2 atomes de carbone
un atome de carbone et 2 atomes d'oxygène
2 atomes d'oxygène
2 atomes de carbone
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La formule chimique est
H2O2
H2O
HO2
2 HO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La formule chimique est
C2O6H
C2H6O
C6OH2
2CH3O6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La molécule de dioxygène contient
2 atomes d'hydrogène
2 atomes de carbone
2 atomes d'oxygène
2 molécules d'oxygène
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 atome d'hydrogène et 4 atomes d'oxygène
1 atome de carbone et 4 atomes d'hydrogène
1 atome de carbone et 4 atomes d'oxygène
1 atome d'oxygène et 4 atomes d'hydrogène
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
N est le symbole...
de l'azote.
du sodium.
du nickel.
du neptunium.
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