Ionization Energy Quiz
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Questions and Answers

What is ionization energy?

  • The energy released when an electron is added to an atom
  • The energy required to add an electron to an atom
  • The energy required to move an electron from one orbital to another in the same atom
  • The minimum energy required to remove the outermost electron in an atom (correct)

    • Why are valence electrons more easily removed compared to inner electrons?

  • They are larger in size
  • They have higher energy levels
  • They have a stronger attraction to the nucleus
  • They are furthest from the nucleus and are influenced the least by the positively charged nucleus (correct)

    • As more electrons are removed from an atom, what happens to the ionization energy?

  • It increases as the remaining electrons experience a stronger attraction to the nucleus (correct)
  • It decreases due to the reduced electron-electron repulsion
  • It becomes unpredictable and varies randomly
  • It remains constant regardless of the number of electrons removed

    • How is ionization energy measured?

    <p>Kilojoules per mole</p> Signup and view all the answers

    What does the formula for ionization energy represent?

    <p>The energy required to remove an electron from an atom</p> Signup and view all the answers

    As an ion becomes more positively charged, what happens to its hold on remaining electrons?

    <p>It becomes tighter</p> Signup and view all the answers

    What happens to the ionization energy as electrons are continually removed from an ion?

    <p>It increases as the ion becomes more positively charged</p> Signup and view all the answers

    What is ionization energy?

    <p>The minimum energy required to remove a valence electron from an atom</p> Signup and view all the answers

    Why does ionization energy increase from left to right within a period on the periodic table?

    <p>More positively charged protons in the nucleus increase the influence on the negatively charged electrons</p> Signup and view all the answers

    Why does ionization energy decrease moving down a group on the periodic table?

    <p>Increasing the number of electron orbitals weakens the positive force felt by the outermost electron from the nucleus</p> Signup and view all the answers

    What is the trend of ionization energy when moving from the bottom left corner of the periodic table to the top right corner?

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

    What is the relationship between the number of electron shells and ionization energy?

    <p>Ionization energy increases as the number of electron shells decreases</p> Signup and view all the answers

    What is the main factor affecting ionization energy?

    <p>The number of electron orbits around the nuclei and the number of protons in the nuclei</p> Signup and view all the answers

    What happens to ionization energy as the atomic radius increases?

    <p>Ionization energy decreases</p> Signup and view all the answers

    Why does the nucleus of an atom with more protons require more energy to strip the outermost electrons?

    <p>The nucleus has a stronger positively charged force that pulls the electron shells in tighter around the nucleus</p> Signup and view all the answers

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