Atom & Element Basics
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Questions and Answers

What distinguishes one chemical element from another?

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

    • What defines the isotope of an element?

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

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

  • Because atoms have no definite structure
  • Due to the uncertainty principle (correct)
  • Because atoms are too small to observe
  • Because atoms are constantly moving

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

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

    What is the electric charge of a neutron?

    <p>Neutral (D)</p> Signup and view all the answers

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