Ionization Enthalpy and its Principle
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What is the principle of measuring ionization enthalpy?

  • The energy released when an electron is removed from an atom
  • The energy required to add one mole of electrons to one mole of gaseous atoms or ions
  • The energy released when an electron is added to an atom
  • The energy required to remove one mole of electrons from one mole of gaseous atoms or ions (correct)

    • What are the units of ionization enthalpy?

  • Electron volts per electron
  • Joules per atom
  • Kilojoules per mole (correct)
  • Kilograms per mole

    • Which property best describes ionization enthalpy?

  • The ease with which an atom loses electrons
  • The resistance of an atom to lose electrons (correct)
  • The tendency of an atom to gain electrons
  • The ability of an atom to attract electrons

    • How is ionization enthalpy related to atomic size?

    <p>Ionization enthalpy decreases as atomic size decreases</p> Signup and view all the answers

    Which statement best explains the concept of ionization enthalpy?

    <p>It is a measure of how strongly an atom holds onto its electrons</p> Signup and view all the answers

    What is ionization enthalpy?

    <p>The energy required to remove the most loosely bound electron from a gaseous atom</p> Signup and view all the answers

    Which unit is used to measure ionization enthalpy?

    <p>Kilojoules per mole (kJ/mol)</p> Signup and view all the answers

    What does a higher ionization enthalpy indicate about an atom?

    <p>It has a stronger electron-nucleus attraction</p> Signup and view all the answers

    Why is the removal of an electron from an atom involved in measuring ionization enthalpy?

    <p>To determine the energy needed to overcome attractive forces between the electron and nucleus</p> Signup and view all the answers

    What is the principle behind measuring ionization enthalpy?

    <p>Removing an electron from an atom</p> Signup and view all the answers

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