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When is the energy of electron regarded ...

When is the energy of electron regarded as zero?

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When the electron is at infinite distance from the nucleus so that it does not feel the pull of th nucleus its energy is considered to be zero.
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PATHFINDER-ATOMIC STRUCTURE-QUESTION BANK
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  9. Define Isotope

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  11. Define Isotone

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  15. Write the electronic configurations of Cu^+1 (At No Cu = 29)

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  16. According tode Broglie, matter also has wave character, then don't we ...

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