When an atom undergoes ionization, an electron is completely removed from that a

Question

When an atom undergoes ionization, an electron is completely removed from that atom. It is standard to define the energy of the ionized electron as zero since it is now completely separate from the atom. Since the potential energy of an electron decreases as it gets closer to the nucleus, the energy of an electron in an atom is always negative.

Ionization energy can be defined as the energy required to remove one electron from an atom. If an electron is in the n = 4 energy level of an atom with an energy equal to -4.52 EV, what is the ionization energy of that electron?

Enter your answer in EV with at least 2 decimal places.

Ionization energy could also be described as the E for the process of ionization where E = final energy of the electron minus the initial energy of the electron.

Explanation / Answer

The ionisation energy for the given problem will be equal to E = 0 - (-- 4.52) = 4.52 eV is the energy .the energy at infinity is taken to be zero . Hence the difference of final energy to initial energy gives the ionisation energy

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