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What is ionization energy?

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What is ionization energy?

    • Posted by Manoranjan Singh 8 years, 3 months ago

    CBSE > Class 11 > Chemistry
    • 2 answers

    Nikhil Science 8 years, 3 months ago

    Ionization energy is those energy which is required to remove a electron from the outermost shell of an element.

    1Thank You

    Amar Kumar 8 years, 3 months ago

    Ionization energy (IE):It isdefined as the amount of energy required to remove the most loosely bound electron, the valence electron, of an isolated gaseous atom to form a cation.

    H(g)→H+(g)+e−

    This energy is usually expressed in kJ/mol, or the amount of energy it takes for all the atoms in a mole to lose one electron each. When considering an initially neutral atom, expelling the first electron will require less energy than expelling the second, the second will require less energy than the third, and so on.

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