Scelta multipla
Which of the following lists all possible values of the angular momentum quantum number l for the principal quantum number n = 4?
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9. Quantum Mechanics
Quantum Numbers: Angular Momentum Quantum Number
Scelta multipla
For an electron with principal quantum number n = 5, how many different values of the angular momentum quantum number l are possible?
A
4
B
5
C
1
D
6
Guida verificata passo dopo passo1
Recall that the principal quantum number \(n\) determines the energy level or shell of an electron in an atom.
The angular momentum quantum number \(l\) can take integer values starting from 0 up to \(n-1\) for a given principal quantum number \(n\).
Write the possible values of \(l\) for \(n=5\): \(l = 0, 1, 2, 3, 4\).
Count the number of possible \(l\) values: since \(l\) ranges from 0 to 4, there are 5 possible values.
Therefore, the number of different angular momentum quantum numbers \(l\) for \(n=5\) is 5.
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