Atomes, éléments, molécules et composés
Quiz
•
Chemistry, Science
•
8th Grade
•
Practice Problem
•
Medium
Geneviève Proteau
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25 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quel choix propose seulement des atomes?
CH4, CO2, NH3
N2, H2, Cl2
C, H2, O3
Au, Ag, Ar
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quel choix propose seulement des éléments?
O3, I2, C
CO2, C, O2
CCl4, Cl2, Cl
C6H12O6, H2, O2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quel choix propose seulement des molécules?
NH4Cl, Na2SO4, N2
Zn, ZnSO4, SO2
C, H, Al
O2, Au, I2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quel choix propose seulement des composés?
C, H2, O3
Li2SO4, CCl4, Ca(OH)2
MgCl2, HCl, Hg
Na, N, Sr
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quel énoncé correspond au concept d'atome?
Substance composée d'une seule sorte d'élément, 1 ou plusieurs unis ensemble
Substance composée d'au moins 2 sortes d'éléments différents
Union chimique d'au moins deux éléments
Plus petite particule de matière
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quel énoncé décrit ce qu'est un élément?
C'est un ou plusieurs atome(s) identique(s) unis chimiquement ensemble
C'est un assemblage de molécules
C'est un assemblage d'atomes identiques ou différents
C'est un synonyme d'atome
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quelle définition se rapporte à une molécule?
Une substance élémentaire produite par changement chimique
Plus petite particule de matière
Assemblage d'atomes unis ensemble, identiques ou différents
Un élément dont les composés sont identiques
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