(C) The electronic configuration of $La$ (atomic number $57$) is $[Xe] 5d^1 6s^2$. Since the last electron enters the $5d$ orbital,$La$ is classified

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(C) The electronic configuration of $La$ (atomic number $57$) is $[Xe] 5d^1 6s^2$. Since the last electron enters the $5d$ orbital,$La$ is classified as a $d-$ block element.

Class 12 Chemistry The d- and f-Block Elements General Characteristics

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$La$ (lanthanum) having atomic number $57$ is a member of

A
$s-$ block elements
B
$p-$ block elements
C
$d-$ block elements
D
$f-$ block elements

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

The d- and f-Block Elements

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General Characteristics

For the ions $Zn^{2+}, Ni^{2+}$ and $Cr^{3+}$ which among the following statements is correct?
(Atomic number of $Zn = 30, Ni = 28$ and $Cr = 24$)

MediumAIIMS 2019

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The period number and group number of Tantalum $(Z = 73)$ are respectively:

Medium

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Identify the incorrect statement regarding the interstitial compounds.

MediumAP EAMCET 2025

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For which one of the following elements,the $M^{3+} / M^{2+}$ standard electrode potential is more positive?

EasyAP EAMCET 2018

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Which element from the following has the lowest first ionization enthalpy $(IE_1)$?

MediumMHT CET 2024

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$La$ (lanthanum) having atomic number $57$ is a member of

Similar Questions

For the ions $Zn^{2+}, Ni^{2+}$ and $Cr^{3+}$ which among the following statements is correct?(Atomic number of $Zn = 30, Ni = 28$ and $Cr = 24$)

The period number and group number of Tantalum $(Z = 73)$ are respectively:

Identify the incorrect statement regarding the interstitial compounds.

For which one of the following elements,the $M^{3+} / M^{2+}$ standard electrode potential is more positive?

Which element from the following has the lowest first ionization enthalpy $(IE_1)$?

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For the ions $Zn^{2+}, Ni^{2+}$ and $Cr^{3+}$ which among the following statements is correct?
(Atomic number of $Zn = 30, Ni = 28$ and $Cr = 24$)