Chemistry and Materials Science Quiz
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Questions and Answers

What is the smallest unit of element that retains its chemical properties?

  • Atom (correct)
  • Molecule
  • Compound
  • Ion

    • Which subatomic particle has a positive charge?

  • Proton (correct)
  • Neutron
  • Electron
  • Nucleons

    • What does the atomic number of an element represent?

  • The average atomic mass
  • The number of neutrons
  • The total number of protons and neutrons
  • The number of protons (correct)

    • What is the process by which a radioactive nucleus spontaneously decays and emits radiation?

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

    What is the smallest unit of matter that retains the properties of an element?

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

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