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Emspak

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## Homework Statement

Find the magnetic moment of singly ionized helium in terms of Bohr Magneton

I know the expression for the Bohr Magneton -- I am not trying to get a walk-through here as I want to do this myself, but I just want to know if I am correct in assuming that to get the problem going I use the Bohr radius expression, but with Z=2 and e = 1 (since we have one electron and two protons).

Plugging in the Bohr radius to the expression for angular momentum ([itex]L= 2\pi \nu r^2[/itex] after that.

Mostly I wasn't sure if I should assume its the magnetic moment of the nucleus or the electron around it...