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CBSE Class 12-science Answered

Energy for n=infinity
Asked by | 23 Feb, 2010, 09:34: PM
answered-by-expert Expert Answer

Dear student,

The energy  levels in an atom are taken as negative numbers, so that atinfinity (totally ionised) the electron  has a potential energy  of zero. The energy of ionisation is the energy to raise the electron's energy to zero.

Hope this helps.

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Answered by | 24 Feb, 2010, 09:45: AM
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