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Questions and Answers
What is phosphate?
What is phosphate?
- A polyatomic ion with a -3 charge (correct)
- A single atom ion
- A neutral molecule
- A diatomic ion
What does the term sulfate refer to?
What does the term sulfate refer to?
- A type of metal
- A single atom ion
- A positive ion
- A polyatomic ion with a -2 charge (correct)
What is nitrate?
What is nitrate?
- A type of amino acid
- A polyatomic ion with a -1 charge (correct)
- A neutral molecule
- A positive ion
What is nitrite?
What is nitrite?
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What is hydroxide?
What is hydroxide?
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What is ammonium?
What is ammonium?
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What is a polyatomic ion?
What is a polyatomic ion?
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What is acetate?
What is acetate?
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What is chlorate?
What is chlorate?
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What is carbonate?
What is carbonate?
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Study Notes
Polyatomic Ions Overview
- Polyatomic ions consist of multiple atoms bonded together, carrying a net electric charge.
- The phosphate group comprises one phosphorus atom and four oxygen atoms with a -3 charge.
Common Polyatomic Ions
- Phosphate: Typically found in biological systems; essential for DNA and ATP; formula PO4^3-.
- Sulfate: Involves sulfur and oxygen; used in fertilizers and industrial processes; formula SO4^2-.
- Nitrate: Contains nitrogen and oxygen; critical in agriculture as a nutrient; formula NO3^-.
- Nitrite: Related to nitrate, with one less oxygen; can be found in processed meats; formula NO2^-.
- Hydroxide: Essential in maintaining pH balance in various chemical reactions; formula OH^-.
- Ammonium: Unique polyatomic ion because it carries a positive charge; formula NH4^+.
Additional Polyatomic Ions
- Acetate: Commonly present in acids and salts; formula C2H3O2^- or CH3COO^-.
- Chlorate: Involves chlorine and oxygen; used in bleaching and as herbicides; formula ClO3^-.
- Carbonate: Found in rocks and minerals; crucial in geology and biology; formula CO3^2-.
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