Fireman asked in Science & MathematicsChemistry · 1 decade ago

which element in the 2nd period of periodic table has the highest I.E.?

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  • 1 decade ago
    Favourite answer

    NEON in the 2nd period of periodic table has the highest I.E.

    1st ionization energy: 2080.6 kJ/mol

    2nd ionization energy: 3952.2 kJ/mole

    3rd ionization energy: 6121.9 kJ/mole

  • Anonymous
    1 decade ago

    In any given row, the Noble Gas at the end will have the highest ionization energy.

  • 1 decade ago

    i think it's neon because it's the most stable element and hardest to remove electrons from it's shells

  • 1 decade ago

    I would also like to go with ShenShen.....\

    Thnx..

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