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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-?
- ammonium
- nitrate (correct)
- nitrite
- nitroxide
Which ion is represented by the formula $HCO3-$ ?
Which ion is represented by the formula $HCO3-$ ?
- hydrogen carbonate (correct)
- chlorate
- sulfate
- hydroxide
Identify the correct name for the ion $SO42-$ .
Identify the correct name for the ion $SO42-$ .
- sulfide
- sulfurate
- sulfite
- sulfate (correct)
What is the formula for the ion known as acetate?
What is the formula for the ion known as acetate?
Which of the following ions has the formula $ClO2-$?
Which of the following ions has the formula $ClO2-$?
Flashcards
Polyatomic Ions
Polyatomic Ions
Ions that are made up of more than one atom and act as a single unit with a charge.
Ammonium Ion
Ammonium Ion
The polyatomic ion NH4+ with a +1 charge.
Nitrate Ion
Nitrate Ion
The polyatomic ion NO3- with a -1 charge.
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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