🛠️ JEE🧪 Chemistry

Which of the following elements have half-filled f-orbitals in their ground state? (Given : atomic number) \(Sm =62 ; Eu…

Q1

Which of the following elements have half-filled f-orbitals in their ground state?
(Given : atomic number)
\(Sm =62 ; Eu =63 ; Tb =65 ; Gd =64, Pm =61\)
A. \(Sm\)
B. \(Eu\)
C. \(Tb\)
D. Gd
E. Pm

Choose the correct answer from the options given below:

[JEE Main 2023, 31 Jan (Shift 2)]

a

B and D only

b

A and E only

c

A and B only

d

C and D only

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