Answer to Question #281419 in Quantum Mechanics for fsdfsdf

Question #281419

Using Bohr’s theory, calculate the energy required to remove the electron from the ground state of singly ionized helium, that is, helium with one electron already removed.

Expert's answer

The energy is

E=\frac{13.6Z^2}{n^2}=\frac{13.6·2^2}{1^2}=54.4\text{ eV}.

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