Chemistry Challenge
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Questions and Answers

In a redox reaction, what is the species that undergoes reduction?

  • Oxidizing agent (correct)
  • Reducing agent
  • Catalyst
  • Reactant
  • What is the atomic number of an element with 18 electrons and 22 neutrons?

  • 40 (correct)
  • 18
  • 20
  • 22
  • Which of the following is the correct formula for potassium permanganate?

  • KMnO3
  • K2MnO3
  • KMnO4 (correct)
  • K2MnO4
  • Study Notes

    Redox Reaction

    • In a redox reaction, the species that undergoes reduction is the oxidizing agent or oxidant.

    Atomic Number

    • An element with 18 electrons and 22 neutrons has an atomic number of 20.

    Potassium Permanganate Formula

    • The correct formula for potassium permanganate is KMnO4.

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    Description

    Test your knowledge of chemistry with this quiz covering topics such as atomic structure, redox reactions, and chemical formulas. Challenge yourself with questions about atomic numbers, reduction, and potassium permanganate.

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