(a) Draw accurately to scale and label completely a partial energy-level diagram for C⁵⁺ including at minimum the energy levels for n = 1, 2, 3, 4, 5, and ∞. 

(b) Compute the wavelength of the spectral line resulting from the n = 3 to the n = 2 transition, the C⁵⁺H_a line. 

(c) In what part of the EM spectrum does this line lie?