15 Questions
What is the name of the NH₄ ion?
Ammonium ion
What is the correct formula for the carbonate ion?
CO3-2
Which of the following ions is positively charged ( cation)?
Ammonium
Which ion is an anion according to the text?
Sulfate ion
What is the name of the ion with the formula NH₄?
Ammonium ion
The correct formula for the carbonate ion is CO2-3.
False
The sulfate ion has a negative charge.
True
The nitrate ion is a cation.
False
The hydroxide ion has a positive charge.
False
The cyanide ion is a cation.
False
Match the following ions with their names:
NH₄ = Ammonium ion OH = Hydroxide ion HCO₃ = Bicarbonate ion or Hydrogen carbonate ion NO₃ = Nitrate ion
Match the following ions with their names:
CO₃ = Carbonate ion SO₄ = Sulfate ion PO₄ = Phosphate ion CNT = Cyanide ion
Match the following ions with their charges (positively or negatively charged):
NH₄ = Positively charged (cation) OH = Negatively charged (anion) HCO₃ = Negatively charged (anion) NO₃ = Negatively charged (anion)
Match the following ions with their charges (positively or negatively charged):
CO₃ = Negatively charged (anion) SO₄ = Negatively charged (anion) NH₄ = Negatively charged (anion) CNT = Positively charged (cation)
Match the following ions with their correct formulas:
NH₄ = NH₄⁺ OH = OH⁻ HCO₃ = HCO₃⁻ NO₃ = NO₃⁻
Study Notes
Ionic Compounds and Ions
- NH4 is an ammonium ion, a positively charged cation
- OH is a hydroxide ion, a negatively charged anion
- HCO3 is a bicarbonate ion or hydrogen carbonate ion, a negatively charged anion
- NO3 is a nitrate ion, a negatively charged anion
- CO32- is a carbonate ion, a negatively charged anion (corrected from CO2-3)
- SO42- is a sulfate ion, a negatively charged anion
- PO43- is a phosphate ion, a negatively charged anion
- CNT is not a valid formula, did you mean CN-, a cyanide ion, a negatively charged anion?
Test your knowledge of common ion names with this quiz. Learn the names of NH4, OH, HCO3, NO3, CO32, SO4, PO4, and CN−.
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