Atomic Structure and Elements Quiz
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Questions and Answers

How many protons does the element Calcium (Ca) have?

  • 59
  • 6
  • 20 (correct)
  • 27

    • What is the total number of electrons in the element Copper (Cu)?

  • 20
  • 6
  • 59
  • 27 (correct)

    • Which molecule is composed of two oxygen atoms?

  • Nitrogen gas (N2)
  • Water (H2O)
  • Carbon dioxide (CO2) (correct)
  • Sulfuric acid (H2SO4)

    • How many neutrons does the element Carbon (C) have?

    <p>32</p> Signup and view all the answers

    Which compound is represented by the chemical formula NaOH?

    <p>Sodium hydroxide (NaOH)</p> Signup and view all the answers

    What is the element symbol for Copper?

    <p>Cu</p> Signup and view all the answers

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