Ionization Energy Quiz
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Questions and Answers

Which of the following best defines ionization energy?

  • The energy required to move an electron from one energy level to another
  • The energy released when an electron moves to a higher energy level
  • The energy released when an electron is added to a neutral atom
  • The energy required to remove an electron from a neutral atom (correct)
  • Which of the following factors affect the ionization energy of an atom?

  • Number of protons (correct)
  • Atomic radius
  • Electronegativity
  • Number of neutrons
  • Which of the following trends is observed for ionization energy across a period in the periodic table?

  • Decreases from left to right
  • Remains constant
  • Increases from left to right (correct)
  • Shows no specific trend
  • Study Notes

    Ionization Energy

    • Ionization energy is the minimum energy required to remove the outermost electron from a neutral atom in its ground state.

    Factors Affecting Ionization Energy

    • Atomic radius: as atomic radius decreases, ionization energy increases
    • Electron shielding: effective nuclear charge increases as electron shielding decreases, resulting in higher ionization energy
    • Nuclear charge: as nuclear charge increases, ionization energy increases
    • Across a period, ionization energy generally increases from left to right due to increasing nuclear charge and decreasing atomic radius.

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    Description

    Test your knowledge on ionization energy with this quiz. Learn about the definition of ionization energy, factors that affect it, and the trends observed across a period in the periodic table.

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