Isotopes
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Questions and Answers

What is the significance of the term 'isotope'?

  • Different isotopes of a single element occupy the same position on the periodic table (correct)
  • Isotopes have the same atomic mass
  • Isotopes have the same number of protons
  • Isotopes have identical chemical and physical properties
  • What is the atomic number of an atom?

  • Number of neutrons
  • Number of nucleons
  • Number of electrons
  • Number of protons (correct)
  • What is the defining difference between isotopes of the same element?

  • Different atomic masses
  • Different numbers of neutrons in their nuclei (correct)
  • Different chemical properties
  • Different numbers of protons in their nuclei
  • What is the mass number of an isotope?

    <p>Number of nucleons in the nucleus</p> Signup and view all the answers

    Which of the following elements has three isotopes?

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

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