Question:

The maximum number of electrons present in an orbital with \(n=4,\; l=3\) is

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Each orbital can accommodate a maximum of two electrons with opposite spins according to Pauli's exclusion principle.
Updated On: Jun 22, 2026
  • \(06\)
  • \(14\)
  • \(10\)
  • \(2\)
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The Correct Option is D

Solution and Explanation

Step 1: Identify the subshell.
Given, \[ n=4 \] and \[ l=3 \] The azimuthal quantum number \(l=3\) corresponds to the \(f\)-subshell.
Thus, the given orbital belongs to the \(4f\)-subshell.

Step 2: Understand the meaning of an orbital.
An orbital is specified by a unique set of quantum numbers \[ n,\;l,\;m_l \] According to Pauli's exclusion principle, a single orbital can contain a maximum of two electrons with opposite spins.

Step 3: Determine the maximum number of electrons.
Therefore, irrespective of the values of \(n\) and \(l\), one orbital can contain at most \[ 2 \] electrons.

Step 4: Final conclusion.
Hence, the maximum number of electrons present in the orbital is \[ \boxed{2} \]
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