Verified Solution • 2025–26 Session moderate

QJEEM23Ch67a1: JEE Main 2023 Chemistry - Class 11 JEEM23Ch67a1 Solution: Which of the following elements have half-filled f-orbitals in…

Which of the following elements have half-filled f-orbitals in their ground state?

(Given : atomic number Sm=62;Eu=63;Tb=65;Gd=64,Pm=61\mathrm{Sm}=62 ; \mathrm{Eu}=63 ; \mathrm{Tb}=65 ; \mathrm{Gd}=64, \mathrm{Pm}=61 )

A. Sm\mathrm{Sm}

B. Eu

C. Tb\mathrm{Tb}

D. Gd

E. Pm\mathrm{Pm}

Choose the correct answer from the options given below :

Multiple Choice Options

  • A B and D only
  • B A and BB only
  • C CC and D\mathrm{D} only
  • D A and E only

Step-by-Step Verified Solution

JEE Main 2023 (Online) 31st January Evening Shift Chemistry - Periodic Table & Periodicity Question 56 English Explanation

Related Learning Resources & Exam Preparation