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Please use binding energy in the context of the atomic scale and/or atomic systems. This can be used in nuclear reactions.

3 votes

Why is the total energy of an electron in an atom negative?

We cannot measure the absolute value of energy of a Bohr orbit as mentioned by you.We can measure only the relative energy with respect to a fixed reference.In this case we fix our reference to the el …
durga prasad paidi's user avatar