How does ionization differ from excitation

It makes an atom move from a ground state to an excited state. Ionization energy is the removal of an electron from a neutral gaseous atom. This makes a cation ; when an electron is removed, the atom does not have a negative charge to neutralize the positive charge of the atom.

The main difference between excitation and ionization potential is that excitation explains the movement of an electron from a lower energy level to a higher energy level whereas ionization potential explains the complete removal of an electron from an energy level.

In chemistry, excitation is the addition of a discrete amount of energy to a system such as an atomic nucleus, an atom or a molecule. Excitation causes the change of the energy of the system from a ground energy state to an excited energy state.

The excited states of systems have discrete values rather than a distribution of energies. This is because excitation occurs only when an atom or any other system mentioned above absorbs a certain portion of energy. For example, in order to make an electron move to an excited state, the amount of energy that should be given is equal to the energy difference between the ground state and the excited state.

If the given energy is not equal to this energy difference excitation does not occur. Same as for electrons, protons and neutrons in atomic nuclei can be excited when they are given the required amount of energy. But the energy required to make the nucleus move to an excited state is very high when compared to that of electrons. A system does not remain in the excited state for a long time since an excited state having a high energy is not stable. Therefore, the system needs to release this energy and come back to the ground state.

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Harold M. Chemistry 1 month, 3 weeks ago. View Full Video Already have an account? Sam L. Answer Explain how the ionization energy of atoms changes and why the change occurs when proceeding down a group of the periodic table. Discussion You must be signed in to discuss. Video Transcript watching her assets explain how the organization energy of Adam's changes and why the change occurs when proceeding down the group of periodic table. Upgrade today to get a personal Numerade Expert Educator answer!

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