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Questions and Answers
What is the name of the ion with the formula NO3-?
What is the name of the ion with the formula NO3-?
- nitrite
- nitrate (correct)
- hydroxide
- sulfite
Which ion is represented by the formula MnO4-?
Which ion is represented by the formula MnO4-?
- permanganate (correct)
- iodate
- chlorate
- dichromate
What is the formula for hydrogen carbonate?
What is the formula for hydrogen carbonate?
- PO43-
- SO42-
- C2H3O2-
- HCO3- (correct)
Which of the following ions is known as acetate?
Which of the following ions is known as acetate?
What is the formula for the ion known as hydroxide?
What is the formula for the ion known as hydroxide?
Flashcards
Polyatomic Ion
Polyatomic Ion
A charged group of two or more atoms covalently bonded together.
Ammonium Ion
Ammonium Ion
NH4+, a positively charged polyatomic ion.
Nitrate Ion
Nitrate Ion
NO3-, a negatively charged polyatomic ion.
Sulfate Ion
Sulfate Ion
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Phosphate Ion
Phosphate Ion
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Study Notes
Common Polyatomic Ions
- NH4+: ammonium
- NO2−: nitrite
- NO3−: nitrate
- OH−: hydroxide
- CN−: cyanide
- MnO4−: permanganate
- HCO3−: hydrogen carbonate
- ClO−: hypochlorite
- ClO2−: chlorite
- ClO3−: chlorate
- ClO4−: perchlorate
- BrO3−: bromate
- IO3−: iodate
- IO4−: periodate
- C2H3O2−: acetate
- H2PO4−: dihydrogen phosphate
- CO32−: carbonate
- SO32−: sulfite
- SO42−: sulfate
- S2O32−: thiosulfate
- O22−: peroxide
- CrO42−: chromate
- Cr2O72−: dichromate
- HPO42−: hydrogen phosphate
- PO43−: phosphate
- AsO43−: arsenate
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