(a) An atom has a non-degenerate electronic state 1000 cm above a non- degenerate electronic ground state. Determine: the electronic partition function q at 1500 K; (3] (ii) the relative population of the upper state at 1500 K; [2] (iii) the mean electronic energy ( ) at 1500 K; [2] (iv ) ( ) when T - co. [1]