ionization energy

Question

Ionization energy corresponds to energy required to move electron from ground state to:

RankGuru · Accepted Answer

Ionization energy is defined as the minimum energy required to remove an electron from its ground state ($n=1$) to a point of 'infinite separation' from the nucleus (where $n 	o \infty$). At infinity, the potential energy is zero and the electron is no longer bound. For hydrogen, this energy is $E_\infty - E_1 = 0 - (-13.6 \, 	ext{eV}) = 13.6 \, 	ext{eV}$.

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ionization energy

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