Open Question
According to the Aufbau principle, which orbital is filled immediately before each of the following? (a) 3p (b) 4p (c) 4f (d) 5d
Give the expected ground-state electron configurations for atoms with the following atomic numbers. (a) Z = 55 (b) Z = 40 (c) Z = 80 (d) Z = 62
Draw orbital-filling diagrams for atoms with the following atomic numbers. Show each electron as an up or down arrow, and use the abbreviation of the preceding noble gas to represent inner-shell electrons. (a) Z = 25 (b) Z = 56 (c) Z = 28 (d) Z = 47