Atomic Structure Quiz
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Questions and Answers

What does the atomic number indicate about an atom?

  • The number of electrons in a neutral atom
  • The total mass of the atom
  • The number of protons in an atom (correct)
  • The total number of neutrons

    • What occurs when the number of protons in an atom is changed?

  • The mass number decreases
  • The atom remains the same element
  • A new element is created (correct)
  • The atom becomes an ion

    • If an atom has 8 protons and has a -2 charge, how many electrons does it have?

  • 10 electrons (correct)
  • 8 electrons
  • 12 electrons
  • 6 electrons

    • Which of the following represents the full electron configuration of iodine?

    <p>1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁵</p> Signup and view all the answers

    What type of particle results from the loss of electrons in an atom?

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

    What is the electron configuration of zinc using the noble gas shortcut?

    <p>[Ar] 4s²3d¹⁰</p> Signup and view all the answers

    Which energy levels do electrons fill first and why?

    <p>They fill the lowest energy levels first for stability</p> Signup and view all the answers

    What happens to the mass number if neutrons in an atom are altered?

    <p>Mass number is increased but the atom remains the same element</p> Signup and view all the answers

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