The size of an electron orbital is often chosen to be the distance within which 90% of the electron density is found.Why is the orbital radius not chosen to be the distance within which 100% of the electron density is found?

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The Answer of The size of an electron orbital is often chosen to be the distance within which 90% of the electron density is found.Why is the orbital radius not chosen to be the distance within which 100% of the electron density is found?

The Size of an Electron Orbital Is Often Chosen to Be