(A) The maximum number of electrons that can be accommodated in a shell is given by the formula $2n^2$,where $n$ is the principal quantum number.For t

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(A) The maximum number of electrons that can be accommodated in a shell is given by the formula $2n^2$,where $n$ is the principal quantum number.For the shell with $n=3$,the maximum number of electrons is calculated as follows:$\text{Maximum electrons} = 2(3)^2 = 2 \times 9 = 18$.Therefore,the correct option is $A$.

Class 11 Chemistry Structure of Atom Quantum number, Electronic configuration and Shape of orbitals

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The maximum number of electrons that can be filled in the shell with the principal quantum number $n=3$ is

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A
$18$
B
$9$
C
$8$
D
$2$

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Structure of Atom

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Quantum number, Electronic configuration and Shape of orbitals

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Which of the following is correct for $2p$-orbitals?

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The maximum number of electrons that can be filled in the shell with the principal quantum number $n=3$ is

Similar Questions

How many electrons in an atom can have the quantum numbers $n = 3, l = 2, m = +2, s = +1/2$?

The set of quantum numbers for the $19^{th}$ electron in chromium $(Cr)$ is:

Considering the ground state of $Cr$ atom $(Z = 24)$,the number of electrons associated with azimuthal quantum numbers $l = 1$ and $l = 2$ are,respectively:

Which of the following is correct for $2p$-orbitals?

Which of the following is not a permissible arrangement of electrons in an atom?

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