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polyatomic ions Flashcards

(9 cards)

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1
Q

hydroxide

A

OH, negative 1

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2
Q

nitrate

A

NO3, negative 1

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3
Q

carbonate

A

CO3, negative 2

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4
Q

sulfate

A

SO4, negative 2

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5
Q

phosphate

A

PO4, negative 3

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6
Q

ammonium

A

NH4, positive 1

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7
Q

how are ionic compounds named

A

metal + nonmetal(polyatomic ion)

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8
Q

suffix for name of non metal

A

‘ide’

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9
Q

how is valency for anions with more than one valence state indicated

A

roman numerals in brackets

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