The number of orientations of a sub - shell for which n= 4 and l= 3 will be:
Correct answer: C. 7
- A. 5
- B. 3
- C. 7
- D. 1
Explanation
Option C is the correct choice. To determine the number of orientations of a sub-shell with quantum numbers n=4 and l=3, we use the formula: Number of orientations = 2l + 1. Here, l=3, so:Number of orientations = 2(3) + 1 = 6 + 1 = 7.Thus, the number of orientations is 7, which corresponds to Option C.Options A, B, and D are incorrect as they fail to apply the formula correctly, leading to lower counts of orientations that do not reflect the quantum mechanical principles governing atomic structure.
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