Elemental Proton Challenge
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Questions and Answers

Which subatomic particles are found in the nucleus of an atom?

  • Protons and electrons
  • Protons, neutrons, and electrons
  • Protons and neutrons (correct)
  • Neutrons and electrons

    • What distinguishes one chemical element from another?

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

    • What defines the isotope of an element?

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

    • Why can't humans see atoms with conventional microscopes?

    <p>Atoms are too small</p> Signup and view all the answers

    Where is the majority of an atom's mass located?

    <p>In the nucleus</p> Signup and view all the answers

    Which subatomic particles are found in the cloud surrounding the nucleus of an atom?

    <p>Neutrons and electrons</p> Signup and view all the answers

    What determines the chemical element an atom belongs to?

    <p>The number of protons</p> Signup and view all the answers

    What is the approximate size of an atom?

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

    Why is it not possible to accurately predict the behavior of atoms using classical physics?

    <p>Quantum effects</p> Signup and view all the answers

    Where is the majority of an atom's mass located?

    <p>In the nucleus</p> Signup and view all the answers

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