les molécules et les atomes
Authored by marie pierre laban
Science
8th Grade
NGSS covered
Used 177+ times
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15 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Parmi les formules chimiques suivantes, laquelle ou lesquelles représente-nt un atome?
Na
CO
H20
Cu
H2
Tags
NGSS.MS-PS1-1
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Parmi les formules chimiques suivantes, laquelle ou lesquelles représente-nt une molécule:
CH4
S
HCl
O2
Na
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La molécule de méthanol CH3OH possède
1 atome de carbone, 3 atomes d'hydrogène et 1 atome d'oxygène
1 atome de carbone, 4 atomes d'helium et 1 atome d'oxygène
1 atome de carbone, 4 atomes d'hydrogène et 1 atome d'oxygène
1 atome de calcium, 4 atomes d'hydrogène et 1 atome d'or
aucune réponse correcte
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Combien d'atomes d'hydrogène possède la molécule d'eau?
0
1
2
3
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Combien d'atomes de carbone possède la molécule d'eau?
0
1
2
3
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Le symbole du carbone est :
C4
CH4
CH3
C
Tags
NGSS.MS-PS1-1
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Quelle est la formule du dioxyde de carbone ?
CO2
C20
CO2
CO2
Tags
NGSS.MS-PS1-1
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