SP9 Chimie
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Easy
Château Château Eğitim
Used 3+ times
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8 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Completer le tableau suivant.
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
La configuration électronique de l’ion 16Xa est K2 L8 M8. Déterminez a. (a est charge de l'ion)
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Les ions X+2 et Y-3 sont isoélectroniques. Quel est le numéro atomique de X si ces 2 ions possèdent ensemble 36 électrons ?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Un atome se transforme en ion positif. Indiquez les cas qui convient:
I . la quantité d’électrons diminue.
II. la quantité de neutronsaugmente.
III. la charge du noyau (Z) augmente.
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
Comparer les rayon atomiques et l'energie d'ionisation des élements suivants.
1) 11Na+, 12Mg2+ et 13Al3+.
2) 17Cl-, 18Ar, 20Ca2+
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
On donne les informations suivantes: X est un alcalin, Y est un alcalino-terreux, Z est un halogène. X, Y et Z se trouvent sur la même période.
a) Lequel est plus électronégatif? b) Comparez les rayon atomiques
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
Selon le tableau indiquer les isotopes.
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