Explain all the relevant concepts that let you achieve the purpose given the data that will be collected.
Relevant concepts covered in class or class materials:
Orbitals, Aufbau diagram (specific for helium in ground and excited state), Grotrian diagrams, orthohelium vs parahelium, ground state, excited state, electron configuration, discharge tube, quantum numbers, Bragg equation, energy equation
Relevant concepts not covered in class or class materials:
Singlet vs triplet states, selection/transition rules, fermions, Pauli exclusion principle, wave/particle duality