Podcast
Questions and Answers
Which of the following is the chemical formula for the phosphate ion?
Which of the following is the chemical formula for the phosphate ion?
What is the chemical formula for the ammonium ion?
What is the chemical formula for the ammonium ion?
What is the name of the polyatomic ion with the formula SO4-2?
What is the name of the polyatomic ion with the formula SO4-2?
Sulfate
What is the chemical formula for the dichromate ion?
What is the chemical formula for the dichromate ion?
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What is the chemical formula for the aluminate ion?
What is the chemical formula for the aluminate ion?
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What is the chemical formula for the pyrophosphate ion?
What is the chemical formula for the pyrophosphate ion?
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What is the chemical formula for the bisulfite ion?
What is the chemical formula for the bisulfite ion?
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What is the chemical formula for the thiocyanate ion?
What is the chemical formula for the thiocyanate ion?
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What is the chemical formula for the hypochlorite ion?
What is the chemical formula for the hypochlorite ion?
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What is the name of the ion with the symbol Hg2+2?
What is the name of the ion with the symbol Hg2+2?
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What is the symbol for the cobaltic or cobalt (III) ion?
What is the symbol for the cobaltic or cobalt (III) ion?
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What is the symbol for the antimonic or antimony (V) ion?
What is the symbol for the antimonic or antimony (V) ion?
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The chemical formula for the hydrogen phosphate ion is H2PO4-2.
The chemical formula for the hydrogen phosphate ion is H2PO4-2.
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The chemical formula for the nitrite ion is NO3-.
The chemical formula for the nitrite ion is NO3-.
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The chemical formula for the perchlorate ion is ClO3-.
The chemical formula for the perchlorate ion is ClO3-.
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The chemical formula for the hypobromite ion is BrO3-.
The chemical formula for the hypobromite ion is BrO3-.
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The chemical formula for the arsenate ion is AsO3-3.
The chemical formula for the arsenate ion is AsO3-3.
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Which of the following polyatomic ions has a charge of -4?
Which of the following polyatomic ions has a charge of -4?
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Study Notes
Monatomic Ions
- Elements with a single charge
- Examples include H+, Li+, Na+, K+, Cs+, Ag+, Mg2+, Ca2+, Sr2+, Ba2+, Cd2+, Zn2+, Al3+
Polyatomic Ions (Anions)
- Groups of atoms with a net charge
- Examples include:
- Acetate (CH₃COO⁻)
- Carbonate (CO₃²⁻)
- Chromate (CrO₄²⁻)
- Dichromate (Cr₂O₇²⁻)
- Bicarbonate (HCO₃⁻)
- Bismuthate (BiO₃⁻)
- Bisulfite (HSO₃⁻)
- Sulfate (SO₄²⁻)
- Sulfite (SO₃²⁻)
- Cyanide (CN⁻)
- Cyanate (CNO⁻)
- Hydroxide (OH⁻)
- Nitrite (NO₂⁻)
- Nitrate (NO₃⁻)
- Permanganate (MnO₄⁻)
- Thiocyanate (CNS⁻)
- Dihydrogen Phosphate (H₂PO₄⁻)
- Hydrogen Phosphate (HPO₄²⁻)
- Tartrate (C₄H₄O₆²⁻)
- Thiosulfate (S₂O₃²⁻)
Polyatomic Ions (Cations) & Polyatomic Ions (Anions) with Variable Charges
- Polyatomic ions with net charge that can vary
- Examples include:
- Aluminate (AlO₃³⁻)
- Antimonate (SbO₄³⁻)
- Arsenate (AsO₄³⁻)
- Arsenite (AsO₃³⁻)
- Borate (BO₃³⁻)
- Phosphate (PO₄³⁻)
- Phosphite (PO₃³⁻)
- Pyrophosphate (P₂O₇⁴⁻)
Oxyanions
- Polyatomic anions containing oxygen
- Examples include:
- Perchlorate (ClO₄⁻)
- Periodate (IO₄⁻)
- Perbromate (BrO₄⁻)
- Chlorate (ClO₃⁻)
- Iodate (IO₃⁻)
- Bromate (BrO₃⁻)
- Chlorite (ClO₂⁻)
- Iodite (IO₂⁻)
- Bromite (BrO₂⁻)
- Hypochlorite (ClO⁻)
- Hypoiodite (IO⁻)
- Hypobromite (BrO⁻)
Ions with Variable Charges
- Cations that can exhibit different oxidation states
- Examples include
- Aurous/Gold (Au⁺)
- Auric/Gold (Au³⁺)
- Cuprous/Copper (Cu⁺)
- Cupric/Copper (Cu²⁺)
- Mercurous/Mercury (Hg₂²⁺)
- Mercuric/Mercury (Hg²⁺)
- Cobaltous/Cobalt (Co²⁺)
- Cobaltic/Cobalt (Co³⁺)
- Ferrous/Iron(Fe²⁺)
- Ferric/Iron(Fe³⁺)
- Manganous/Manganese (Mn²⁺)
- Manganic/Manganese (Mn⁴⁺) and (Mn³⁺)
- Nickelous/Nickel (Ni²⁺)
- Nickelic/Nickel (Ni³⁺)
- Plumbous/Lead (Pb²⁺)
- Plumbic/Lead (Pb⁴⁺)
- Stannous/Tin (Sn²⁺)
- Stannic/Tin (Sn⁴⁺)
- Antimonous/Antimony (Sb³⁺)
- Antimonic/Antimony (Sb⁵⁺)
- Arsenous/Arsenic (As³⁺)
- Arsenitic/Arsenic (As⁵⁺)
- Bismuthous/Bismuth (Bi³⁺)
- Bismuthic/Bismuth (Bi⁵⁺)
1⁺ Polyatomic ion
- Ammonium (NH₄⁺)
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Description
Test your knowledge of monatomic and polyatomic ions including examples and their charges. This quiz covers key concepts related to both types of ions, helping you to reinforce your understanding of normal charge positions in chemistry. Prepare to delve into the world of charged particles in this engaging quiz!
