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kymy_rose00

Why is the second ionization energy greater than the first ionization energy? (1 point) It is more difficult to remove a second electron from an atom. The size of atoms increases down a group. The size of anions decreases across a period. The nuclear attraction from protons in the nucleus decreases.

  • one year ago
  • one year ago

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  1. funinabox
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    i don't really know, but I believe the further away an electron is from the nucleus, the more energy it contains. Therefore, it would be harder to move it/remove it. not sure though

    • one year ago
  2. Jeans123
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    The reason the second ionization energy is higher than the first relates to the attraction between the electrons and the nucleus. When one electron is removed from an atom, the neutral atom becomes positive. When one attempts to remove a second electron from a positive ion, there is more attraction between the electrons and the nucleus due to the extra proton. Thus, the second electron is harder to remove and the ionization requires more energy.

    • one year ago
  3. Jeans123
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    It is more difficult to remove a second electron from an atom. A.

    • one year ago
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