Nuclear Composition and Nuclides Quiz
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Questions and Answers

What is the mass number (A) defined as in a nucleus?

  • Total number of protons and neutrons (correct)
  • Total number of neutrons
  • Total number of electrons and neutrons
  • Total number of protons and electrons

    • What is the neutron number (n) in a nucleus?

  • Difference between mass number and atomic number
  • Total number of neutrons and protons
  • Number of neutrons in the nucleus
  • Difference between mass number and atomic weight (correct)

    • What are nuclides with the same A, but different Z called?

  • Isomers
  • Isotones
  • Isotopes
  • Isobars (correct)

    • Which term is used for nuclides with the same A and Z, but different nuclear energies?

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

    How are nuclides with the same N, but different A and Z classified?

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

    What term is given to different combinations of protons and neutrons creating distinct nuclear families?

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

    What is the composition of an atomic nucleus?

    <p>Protons and neutrons</p> Signup and view all the answers

    Which statement is true about the diameter of an atomic nucleus compared to an atom?

    <p>The nucleus is smaller</p> Signup and view all the answers

    What is the ground state energy for a hydrogen atom?

    <p>-13.6 eV</p> Signup and view all the answers

    Which of the following has mass and occupies space?

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

    What is the ionization potential for removing an electron from its ground state?

    <p>-13.6 eV</p> Signup and view all the answers

    What is the mass ratio of nucleons to electrons?

    <p>2000 times greater</p> Signup and view all the answers

    What is the nuclear binding energy?

    <p>The energy required to disassemble a nucleus into protons and neutrons</p> Signup and view all the answers

    What is the mass defect or deficiency?

    <p>The difference between the mass of the atom and the sum of the masses of individual components</p> Signup and view all the answers

    What is the binding energy per nucleon for 12C?

    <p>7.685 MeV</p> Signup and view all the answers

    What is the most stable arrangement of nucleons within the nucleus called?

    <p>Ground state</p> Signup and view all the answers

    What forces exist between protons within the nucleus?

    <p>Electrical forces of repulsion</p> Signup and view all the answers

    What happens to excited states in a nucleus?

    <p>They transform into stable ground states</p> Signup and view all the answers

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