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Why electronic energy is negative?

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Why electronic energy is negative?

    • Posted by Vinay Chauhan 7 years, 6 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    A New Girl In The City 7 years, 6 months ago

    The -ve sign of energy means that the energy of the electron in the atom is lower than the energy at rest of a free electron . A free electron at rest is an electron that is at sufficiently far away from the nucleus and its energy is asumed to be zero . As the electron moves closer to the nucleus due to electrostatic forces , energy is released .so , mathematically , its energy goes on to decrease from zero which leads to its negative value . It also indicates that electron is bound to nucleus and hydrogen is in stable state .

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