Question:

In an atom how many orbital(s) will have the quantum numbers; \(n = 3, l = 2\) and \(m_l = +2\) ?

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Each combination of n, l and \(m_l\) specifies exactly one orbital.
Updated On: Oct 31, 2026
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The Correct Option is C

Solution and Explanation

The three quantum numbers n, l and \(m_l\) together define a unique orbital (the spin quantum number only distinguishes the two electrons inside it).
\(n = 3, l = 2\) is the 3d subshell, which has five orbitals with \(m_l = -2, -1, 0, +1, +2\).
The value \(m_l = +2\) selects only one of them.
Number of orbitals = 1.
Answer: (3) 1
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