EA, EN, and Properties

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  1. 1.

    Which has higher EA: O or S?

  2. 2.

    Electron affinity is most negative for:

  3. 3.

    EA of nitrogen is approximately zero because:

  4. 4.

    The second electron gain enthalpy of oxygen is +780 kJ/mol (endothermic). O^2- exists in ionic crystals because:

  5. 5.

    Electronegativity determines:

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