(B) The principal quantum number is given as $n = 4$.For a given $n$,the azimuthal quantum number $l$ can take values from $0$ to $n-1$.When $l = 3$,i

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(B) The principal quantum number is given as $n = 4$.For a given $n$,the azimuthal quantum number $l$ can take values from $0$ to $n-1$.When $l = 3$,it corresponds to the $f$-subshell.The number of orbitals in a subshell is given by the formula $(2l + 1)$.Substituting $l = 3$ into the formula: $2(3) + 1 = 6 + 1 = 7$.Therefore,there are $7$ orbitals in the $4f$ subshell.

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

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For principal quantum number $n = 4$,the total number of orbitals having $l = 3$ is:

AIIMS 2004 All AIIMS

A
$3$
B
$7$
C
$5$
D
$9$

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Structure of Atom

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Quantum number, Electronic configuration and Shape of orbitals

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AIIMS 2004 Paper All AIIMS years →

The number of $d$-electrons in $Fe^{2+}$ (atomic number of $Fe = 26$) is not equal to that of the

Medium

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Which of the following sets of quantum numbers is not possible?

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Which orbital is dumb-bell shaped?

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Which of the following sets of quantum numbers is correct for an electron in a $3d$-orbital?

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The five $d$-orbitals are designated as $d_{xy}, d_{yz}, d_{xz}, d_{x^2-y^2},$ and $d_{z^2}$. Choose the correct statement from the following.

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For principal quantum number $n = 4$,the total number of orbitals having $l = 3$ is:

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The number of $d$-electrons in $Fe^{2+}$ (atomic number of $Fe = 26$) is not equal to that of the

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