
Evaluation chapitre 3 : les ions
Quiz
•
Chemistry
•
3rd Grade
•
Practice Problem
•
Medium
Gauthier Migeon
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10 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Un .............. est un atome qui a gagné un ou plusieurs électrons.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'observation d'un précipité Rouille indique la présence d'ions :
Cu2+
Hydroxyde de sodium
Fe2+
Fe3+
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le détecteur qui a mis en évidence la présence d'ions Cuivre II est :
Le Nitrate d'argent
Le Chlorure de baryum
L'Hydroxyde de sodium
L'Oxalate d'ammonium
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Un ion positif est un atome qui a ................... un ou plusieurs électrons.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Les électrons sont porteurs de charges :
Neutres
Négatives
Positives
Ils ne portent pas de charges
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Combien d'électrons possède l'ion cuivre présenté sur le schéma ci-contre ?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ici, l'atome de Chlore s'est transformé en :
Anion
Cation
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