Chemistry

10th -

12thgrade

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Electronegativity

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  • 1. Multiple Choice
    3 minutes
    1 pt
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    Based on the data in the table above, which of the following correctly predicts the relative electronegativity of the elements X, Y, and Z, and provides the correct reason?

    X > Y > Z because smaller elements have a stronger coulombic attraction between the nucleus and valence electrons

    X > Y > Z because smaller elements have a weaker coulombic attraction between the nucleus and valence electrons

    Z > Y > Z because larger elements have a stronger coulombic attraction between the nucleus and valence electrons

    Z > Y > Z because larger elements have a stronger coulombic attraction between the nucleus and valence electrons

  • 2. Multiple Choice
    3 minutes
    1 pt

    Which of the following correctly identifies which has the higher electronegativity, Sn or Te, and supplies the best justification?

    Sn, because of its higher nuclear charge

    Sn, because of the closer distance between nucleus and bonded electrons

    Te, because of its higher nuclear charge

    Te, because of the closer distance between nucleus and bonded electrons

  • 3. Multiple Choice
    3 minutes
    1 pt
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    Based on periodic trends and the data in the table above, which of the following are the most probable values of ionization energy and electronegativity for rubidium?

    403 kJ/mol, 0.82 D

    403 kJ/mol, 1.22 D

    600 kJ/mol, 0.82 D

    600 kJ/mol, 1.22 D

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