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chemistry > Topic 10 - Ions > Flashcards

Topic 10 - Ions Flashcards

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1
Q

what are anions and when are they formed

A

NEGATIVE ions that are formed when atoms GAIN electrons

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2
Q

what are cations and when are they formed

A

POSITIVE ions that are formed when atoms LOSE electrons

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3
Q

what is different about group 1 and 2 elements against group 6 and 7 elements

A

group 1 and 2 are metals and lose electrons to form positive ions
group 6 and 7 are non-metals and gain electrons to form negative ions

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chemistry (8 decks)

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