1. Tardigrade
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  3. Chemistry
  4. The maximum number of electrons in a subshell is given by the expression

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Q. The maximum number of electrons in a subshell is given by the expression

AIPMTAIPMT 1989Structure of Atom

Solution:

The number of orbitals in a subshell $= (2l + 1) $
where, $l =$ azimuthal quantum number
Since, each orbital contains maximum two electrons, the number of electrons in any subshell
$= 2 \times$ number of orbitals
$= 2 (2l + 1)$
$= 4l + 2$