help please with full explanation, teacher is a hard grader.

1. Write full electron configurations and full orbital diagrams for each element: a) C b) P c) F d) Mg 2. Write condensed electron configurations and condensed orbital diagrams for each element: a) AI b) S c) Ar d) Ca 3. Which atoms, in their ground states, have only one unpaired electron having n = 2? Support your answer(s) with orbital diagrams