Chemistry of Life: Organic Compounds Quiz
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Questions and Answers

Which of the following is a substance made of atoms of different elements bonded together in a certain ratio?

  • Carbon
  • Oxygen
  • Water
  • Carbon dioxide (correct)

    • What is the smallest unit of a chemical element that retains the characteristic properties of that element?

  • Molecule
  • Base
  • Atom (correct)
  • Ion

    • Which element is needed to transport oxygen in your blood?

  • Iron (Fe) (correct)
  • Oxygen (O)
  • Carbon (C)
  • Chromium (Cr)

    • What is needed for cells to break down sugars for usable energy?

    <p>Chromium (Cr)</p> Signup and view all the answers

    Which type of bond is formed when two or more atoms combine chemically to form molecules?

    <p>Covalent bond</p> Signup and view all the answers

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