Chapter 2.8 Common Polyatomic Ions Flashcards by Faith Shaw

Q

NH4^+

A

Ammonium *IONIC COMPOUND, CATION*

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Q

H3O^+

A

Hydronium *cation

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Q

Cation in polyatomic ions

A

means they bond with nonmetals

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Q

Anion in polyatomic ions

A

means they bond with metals

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Q

CH3COO^- or C2H3O2^-

A

acetate *anion

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Q

CN^-

A

cyanide *anion

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Q

OH^-

A

hydroxide *anion

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Q

ClO^-

A

hypochlorite *anion

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Q

ClO2^-

A

chlorite

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Q

ClO3^-

A

chlorate

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Q

ClO4^-

A

perchlorate

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Q

NO2^-

A

Nitrite

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Q

NO3^-

A

Nitrate

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Q

MnO4^-

A

permanganate

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Q

CO3^2-

A

carbonate

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Q

HCO3^-

A

hydrogen carbonate or bicarbonate

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Q

CrO4^2-

A

chromate

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Q

CrO7^2-

A

dichromate

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Q

O2^2-

A

peroxide

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Q

PO4^2-

A

phosphate

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Q

HPO4^2-

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A

Hydrogen phosphate

Q

H2PO4^-

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A

dihydrogen phosphate

Q

SO4^2-

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A

sulfate

Q

SO3^-2

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A

sulfite

HSO4^-

hydrogen sulfate or bisulftae

Ammonium \*IONIC COMPOUND, CATION\*

NH4^+

Hydronium \*cation

H3O^+

means they bond with nonmetals

Cation in polyatomic ions

means they bond with metals

Anion in polyatomic ions

acetate \*anion

CH3COO^- or C2H3O2^-

cyanide \*anion

CN^-

hydroxide \*anion

OH^-

hypochlorite \*anion

ClO^-

chlorite

ClO2^-

chlorate

ClO3^-

perchlorate

ClO4^-

Nitrite

NO2^-

Nitrate

NO3^-

permanganate

MnO4^-

carbonate

CO3^2-

hydrogen carbonate or bicarbonate

HCO3^-

chromate

CrO4^2-

dichromate

CrO7^2-

peroxide

O2^2-

phosphate

PO4^2-

Hydrogen phosphate

HPO4^2-

dihydrogen phosphate

H2PO4^-

sulfate

SO4^2-

sulfite

SO3^-2

hydrogen sulfate or bisulftae

HSO4^-