The maximum number of electrons in a subshell of an atom is determined by the following:
Answer & explanation
Correct answer: option 4
The correct answer is option 4. \(4l + 2\).
\(\text{Quantum number:}\) It is defined as the set of numbers which describes the position and energy of electrons in an atom. There are four quantum numbers: principal, azimuthal, magnetic, and spin quantum numbers.
The principle quantum number \((n)\) describe the distance between the nucleus and the electrons.
The azimuthal quantum number \((l)\) is given by \((n − l)\)
We know that the maximum number of subshells is equal to is \((2l + 1)\).
Maximum electrons a subshell can accommodate is \(2\)
Therefore, the total number of electrons in a subshell is \(2 (2l + 1 ) = (4l + 2)\)
Thus, maximum number of electrons in a subshell is \((4l + 2)\)