Neutrons and Atomic Nucleus Quiz
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Questions and Answers

What subatomic particle did J. Chadwick discover in 1932?

  • Positron
  • Proton
  • Neutron (correct)
  • Electron

    • In which part of an atom are neutrons present?

  • Nucleus (correct)
  • Electron cloud
  • Proton
  • Valence shell

    • How is the mass of an atom determined?

  • By summing the masses of protons and neutrons in the nucleus (correct)
  • By counting the electrons in the atom
  • By measuring the volume of the atom
  • By calculating the energy levels of electrons

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