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why is the energy of electron is regarded as zero to negative

Posted by Bhanu Shankar 7 years, 2 months ago

CBSE > Class 11 > Chemistry

2 answers

[email protected] M 7 years, 2 months ago

When electron is at infinite distance from nucleus,its energy is zero. When it is brought near to the nucleus, energy becomes less than zero, i.e., negative due to force of attraction between nucleus

Ʌɐpɐʎ Ɐuɐɥsɹɐp . 7 years, 2 months ago

it is taken as negative because at infinite distance from the nucleus the electron's kinetic energy is not calculated.. that's why it's taken as zero... nd when this electron comes near to the nucleus the stability increases due to loss of energy of electron.. as a result energy of electron becomes less negative... hence we take electron's energy as negative.

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