Periodic Table and Atomic Structure Quiz
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Questions and Answers

Which of the following statements accurately describes how the nucleus was discovered?

  • Scientists observed the deflection of alpha particles in the gold foil experiment (correct)
  • Scientists used X-ray diffraction to determine the structure of the atom
  • Scientists observed the movement of electrons in an atom using an electron microscope
  • Scientists conducted experiments with cathode rays and discovered the presence of a positively charged particle in the atom

    • What is the atomic number equivalent to in the periodic table?

  • The number of neutrons in an atom
  • The number of electrons in an atom
  • The number of protons in an atom (correct)
  • The number of isotopes in an atom

    • How can you determine the number of electrons in an atom using the periodic table?

  • By adding the atomic number and the atomic mass
  • By looking at the period number in the periodic table
  • By subtracting the atomic number from the atomic mass (correct)
  • By dividing the atomic mass by the atomic number

    • How can you calculate the number of neutrons in an atom?

    <p>By subtracting the atomic number from the atomic mass</p> Signup and view all the answers

    True or false: The discovery of the nucleus was a result of experiments conducted by Ernest Rutherford?

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

    True or false: The atomic number of an element is equivalent to the number of protons in its nucleus?

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

    True or false: The number of electrons in an atom can be determined by looking at the element's position on the periodic table?

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

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