Chemistry: Ionization Energy And Nuclear Charge Quiz

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Chemistry: Ionization Energy And Nuclear Charge Quiz - Quiz

Quiz on Chemistry Ionization Energy and Nuclear Charge


Questions and Answers
  • 1. 

    True or False: The proccess of when an atom GAINS electrons to become an ion, is called Ionization.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The process of when an atom GAINS electrons to become an ion is actually called reduction, not ionization. Ionization refers to the process of when an atom or molecule loses or gains electrons to form ions.

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  • 2. 

    Ionization energies generally _____________ as you move from left to right across a _________

    Correct Answer
    Increases
    Period
    Explanation
    As you move from left to right across a period, the ionization energies generally increase. This is because the number of protons in the nucleus increases, leading to a stronger attraction between the nucleus and the electrons in the outermost energy level. As a result, more energy is required to remove an electron, resulting in higher ionization energies.

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  • 3. 

    Nuclear charge is ....

    • A.

      The increased hold on the valence electrons

    • B.

      The energies that generally increase as you move from left to right on a period

    • C.

      When electricity is plugged in a nuclear plant and charged until 100%

    • D.

      The total charge of all protons in the nucleus

    Correct Answer
    D. The total charge of all protons in the nucleus
    Explanation
    Nuclear charge refers to the total charge of all protons in the nucleus of an atom. Protons carry a positive charge, and their total charge determines the overall charge of the nucleus. This charge influences the behavior of the valence electrons and the energies of the electrons in an atom. As the number of protons increases, the nuclear charge also increases, leading to a stronger attraction between the nucleus and the valence electrons. This increased hold on the valence electrons is responsible for the energies that generally increase as you move from left to right on a period in the periodic table.

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  • 4. 

     As you go down a group, atoms have more total _________electrons, so they don't really care that much about their outermost ones.

    Correct Answer
    Electrons
    Explanation
    As you go down a group, atoms have more total electrons, so they don't really care that much about their outermost ones. This is because the outermost electrons are further away from the nucleus and are shielded by the inner electrons. The attraction between the nucleus and the outermost electrons decreases, making it easier for atoms to lose or gain electrons. Therefore, the number of outermost electrons becomes less significant as you move down a group.

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  • 5. 

    True or false: As you go across, there are the same number of outer electrons in the entire row.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    False. As you go across a row in the periodic table, the number of outer electrons does not remain the same. The number of outer electrons increases by one from left to right across a row, except for the transition metals. The transition metals have a variable number of outer electrons, which can be different for each element in the row.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 09, 2012
    Quiz Created by
    Hrrsncrawford
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