Gadolinium belongs to 4f series. It's atomic number is 64. Which ot the following is the correct electronic configuration of gadolinium ?

  • Option 1)

    [Xe] 4f86d2

  • Option 2)

    [Xe] 4f9s1

  • Option 3)

    [Xe] 4f75d16s2

  • Option 4)

    [Xe] 4f65d26s2

 

Answers (1)

As we discussed in the concept ID

Electronic configuration -

The lanthanoid follow the  4f1-14  5d0-1  6s2  configuration (common configuration)with some exception due to full filled half filled electronic configuration.

 

- wherein

eg\rightarrow 4f^{1}5d^{1}6s^{2}

 

 Electronic configuration of Godolinium is

[Xe]4f^{7} 5d^{1}6S^{2}

 


Option 1)

[Xe] 4f86d2

This is incorrect

Option 2)

[Xe] 4f9s1

This option is incorrect

Option 3)

[Xe] 4f75d16s2

This option is correct

Option 4)

[Xe] 4f65d26s2

This option is incorrect

Most Viewed Questions

Preparation Products

Knockout NEET 2024

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 40000/-
Buy Now
Knockout NEET 2025

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 45000/-
Buy Now
Knockout NEET 2021 (One Month)

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Weekend Live Classes, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 14000/- ₹ 4999/-
Buy Now
Knockout NEET 2021

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Weekend Live Classes, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 22999/- ₹ 9999/-
Buy Now
Test Series NEET 2021

Unlimited Chapter Wise Tests, Unlimited Subject Wise Tests, Unlimited Full Mock Tests, Get Personalized Performance Analysis Report,.

₹ 6999/- ₹ 2999/-
Buy Now
Boost your Preparation for NEET 2021 with Personlized Coaching
 
Exams
Articles
Questions