(D) The electronic configuration of Barium $(Z = 56)$ is $[Xe] \, 6s^2$.According to the Aufbau principle,the order of filling of orbitals after $6s$

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(D) The electronic configuration of Barium $(Z = 56)$ is $[Xe] \, 6s^2$.According to the Aufbau principle,the order of filling of orbitals after $6s$ is determined by the $(n+l)$ rule.The sequence of energy levels is $6s Therefore,after the $6s$ orbital is filled,the next orbitals to be filled are $4f$,$5d$,and $6p$.

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

Medium

The set of orbitals filled just after the filling of electrons in an atom with atomic number $Z = 56$ is:

A
$6p, 7s, 5f$
B
$5d, 6p, 7s$
C
$6s, 4f, 5d$
D
$4f, 5d, 6p$

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Structure of Atom

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Quantum number, Electronic configuration and Shape of orbitals

Calculate the value of $(n + l)$ for the $3d$ orbital.

Easy

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Write about the subsidiary quantum number $(l)$.

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An atom of an element contains $29$ electrons and $35$ neutrons. Deduce
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$(ii)$ the electronic configuration of the element.

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The electronic configuration of an element with atomic number $7$ i.e. nitrogen atom is

Easy

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Indicate the number of unpaired electrons in: $(a)$ $P$,$(b)$ $Si$,$(c)$ $Cr$,$(d)$ $Fe$ and $(e)$ $Kr$.

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The set of orbitals filled just after the filling of electrons in an atom with atomic number $Z = 56$ is:

Similar Questions

Calculate the value of $(n + l)$ for the $3d$ orbital.

Write about the subsidiary quantum number $(l)$.

An atom of an element contains $29$ electrons and $35$ neutrons. Deduce$(i)$ the number of protons and$(ii)$ the electronic configuration of the element.

The electronic configuration of an element with atomic number $7$ i.e. nitrogen atom is

Indicate the number of unpaired electrons in: $(a)$ $P$,$(b)$ $Si$,$(c)$ $Cr$,$(d)$ $Fe$ and $(e)$ $Kr$.

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An atom of an element contains $29$ electrons and $35$ neutrons. Deduce
$(i)$ the number of protons and
$(ii)$ the electronic configuration of the element.