
Chimie 3ieme
Authored by cathline Malchair
Chemistry
8th Grade

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8 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Que veut dire ce pictogramme ?
Empoisonne a forte dose
Néfaste pour les organisme du milieu aquatique
Produit cancerogène
Provoque des allergies cutanée
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est le symbole de l'ion polyatomique ammonium ?
Nh4+
NH4+
NH4-
Nh4-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est le premier homme à avoir inventé un modèle atomique ?
Démocrite
Dalton
Thomson
Bohr
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A quelle famille appartient cette molécule ? H2SO4
Sel terniare
Base hydroxylée
Oxyde métallique
Acide ternaire
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Pourquoi la masse atomique relative des atomes est-elle presque toujours un nombre à virgule ?
C'est la moyenne de toutes les Ar les isotopes possible des atomes
Car les électrons sont plus léger
Car c'est la moyenne des protons et des neutrons
C'est la moyenne de tous les nucléons possible de cet atomes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qui a inventer le modèle atomique du plum pudding ?
Dalton
Thomson
Rutherford chadwick
aucun
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est le nom de Zn (SO4) ?
Sel binaire
Oxyde métallique
Base hydroxylée
Sel terniare
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