Common Polyatomic Ions Flashcards

1
Q

ammonium

A

NH4+

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2
Q

hydronium

A

H3O+

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3
Q

hydroxide

A

OH-

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4
Q

acetate

A

CH3CO2^-

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5
Q

cyanide

A

CN-

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6
Q

peroxide

A

O2^2-

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7
Q

carbonate

A

CO3^2-

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8
Q

nitrate

A

NO3-

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9
Q

phosphate

A

PO4^3-

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10
Q

sulfate

A

SO4^2-

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11
Q

chlorate

A

ClO3-

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12
Q

bromate

A

BrO3^-

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13
Q

iodate

A

IO3-

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14
Q

chromate

A

CrO4^2-

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15
Q

permanganate

A

MnO4^-

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16
Q

mercury(I)

A

Hg2^2+

17
Q

azide

A

N3^-

18
Q

chlorite

A

ClO2^-

19
Q

dichromate

A

Cr2O7^2-

20
Q

dihydrogen phosphate

A

H2PO4^-

21
Q

hydrogen carbonate or bicarbonate

A

HCO3^-

22
Q

hydrogen phosphate

A

HPO4^2-

23
Q

hydrogen sulfate or bisulfate

A

HSO4^-

24
Q

nitrite

A

NO2^-

25
Q

oxalate

A

C2O4^2-

26
Q

perchlorate

A

ClO4^2-

27
Q

sulfite

A

SO3^2-

28
Q

thiocyanate

A

SCN^-