1.With the aid of a labeled diagram, describe the Bohr model of
the hydrogen atom.
2. Derive the following relationship for a hydrogen atom
according to the Bohr model: rn = a n 2 where rn are the permitted
radii of the electron orbit, n = 1, 2, 3…, and ‘a’ is a constant.
Determine ‘a’ in terms of variables that you define. Hint: equate
Coulomb’s law with the centripetal force acting on an electron, and
then take angular momentum...