Question 6 • SVHS Chemistry 1 $FA
For valid quantum numbers, n must be a positive integer, l must be an integer from 0 to n − 1, and m must be an integer from −l to +l. In choice D, n = 4 allows l = 3, and m = 3 is within the allowed range −3 to +3. The other choices violate at least one of these rules.
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