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Problem: Give the name, magnetic quantum numbers, and number of orbitals for each subshell with the quantum numbers shown:
(a) n = 3, l = 2 (b) n = 2, l = 0 (c) n = 5, l = 1 (d) n = 4, l = 3
Solution:
n l subshell name possible m l No. of orb.
(a) 3 2 3d -2, -1, 0, +1, +2 5
(b) 2 0 2s 0 1
(c) 5 1 5p -1, 0, +1 3
(d) 4 3 4f -3, -2, -1, 0, +1, +2, +3 7
Skill 7-5. Determining quantum numbers and sublevel designations
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