Atom Structure and Periodic Table Quiz
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Questions and Answers

What distinguishes chemical elements from each other?

  • The number of electrons in their atoms
  • The size of their atoms
  • The number of protons in their atoms (correct)
  • The number of neutrons in their atoms
  • What is the only atom that has no neutron?

  • Tritium 3H
  • Helium 4He
  • Protium 1H (correct)
  • Deuterium 2H
  • What are atoms with the same number of protons but a different number of neutrons called?

  • Isobars
  • Isomers
  • Ions
  • Isotopes (correct)
  • Why is it not possible to accurately predict the behavior of atoms using classical physics?

    <p>Due to quantum effects</p> Signup and view all the answers

    What is the approximate width of an atom?

    <p>100 picometers</p> Signup and view all the answers

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