Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • Try this! Gadolinium belongs to 4f series. It's atomic number is 64. Which ot the following is the correct electronic configuration of gadolinium ?

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

Posted by

Vakul

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Similar Questions

Trending Articles/News

anam-khan

NTA Overhaul: 1,000 secure exam centres, biometrics to prevent fraud, question paper changes, suggests panel
anam-khan

NEET syllabus 2025 out; NMC uploads subject-wise topics
anam-khan

What changes in NEET UG? Experts’ panel suggests multi-stage exam, security overhaul, simpler process to NTA

Latest Question