
formation des ions
Flashcard
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Hard
BL PC
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9 questions
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1.
FLASHCARD QUESTION
Front
Un atome est électriquement ...
Back
neutre.
2.
FLASHCARD QUESTION
Front
Dans un atome, combien y a -t-il d'électrons ?
Back
autant que de protons
3.
FLASHCARD QUESTION
Front
Qu'est-ce-qu'un ion ?
Back
Un atome ou groupe d'atomes qui a perdu ou gagné un ou des électrons.
4.
FLASHCARD QUESTION
Front
Comment l'ion magnésium Mg2+ se forme-t-il à partir d'un atome de magnésium Mg ?
Back
il y a perte de 2 électrons
5.
FLASHCARD QUESTION
Front
L'ion calcium Ca2+ présent dans l'eau minérale est un ...
Back
cation
6.
FLASHCARD QUESTION
Front
Comment s'est formé l'ion fluorure F- à partir d'un atome de fluor F ?
Back
L'atome de fluor a gagné 1 électron
7.
FLASHCARD QUESTION
Front
L'ion chlorure Cl- présent dans le sel de table est un
Back
anion
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