Polyatomic Ions Flashcards
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Questions and Answers

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?

  • A type of metal
  • A single atom ion
  • A positive ion
  • A polyatomic ion with a -2 charge (correct)

    • 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?

    <p>A polyatomic ion with a -1 charge</p> Signup and view all the answers

    What is hydroxide?

    <p>A polyatomic ion with a -1 charge</p> Signup and view all the answers

    What is ammonium?

    <p>A polyatomic ion with a positive charge</p> Signup and view all the answers

    What is a polyatomic ion?

    <p>A molecule that has an electric charge</p> Signup and view all the answers

    What is acetate?

    <p>A polyatomic ion with a -1 charge</p> Signup and view all the answers

    What is chlorate?

    <p>A polyatomic ion with a -1 charge</p> Signup and view all the answers

    What is carbonate?

    <p>A polyatomic ion with a -2 charge</p> Signup and view all the answers

    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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    Description

    Test your knowledge of polyatomic ions with this comprehensive flashcard quiz. Each card provides a key term along with its definition to help reinforce your understanding. Perfect for chemistry students looking to master this essential concept.

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