Assignment 1. Determine the four quantum numbers for the last electron in a 3d7 orbital 2. An electron is in 6f orbital. What possible values of quantum numbers n, 1, ml and ms can it have? 3. What designation is given to an orbital having: (a) n = 2, 1 = 1 (b) n = 3,1 = 0 4. Which of the following orbital diagrams is excluded by the Aufbau principle? Which by the Pauli exclusion principle? Which by Hund's rule? Which is correct?