问答题
(1)Write the possible values of l when n=5. (2)Write the allowed number of orbitals (a) with the quantum numbers n=4，l=3；(b) with the quantum numbers n=4；(c) with the quantum numbers n=7，l=6，m=6；(d) with the quantum numbers n=6，l=5.
【正确答案】When n=5，the possible values of l is 0，1，2，3 and 4.
【答案解析】
【正确答案】(a) The allowed number of orbitals with the quantum numbers n=4，l=3 is 7. (b) The allowed number of orbitals with the quantum numbers n=4 is 16. (c) The allowed number of orbitals with the quantum numbers n=7，l=6，m=6 is 1. (d) The allowed number of orbitals with the quantum numbers n=6，l=5 is 11.