Which of the following elements have half-filled f-orbitals in th… | JEE Main 2023 Chemistry PYQ

MCQEasyJEE Main 2023 · 31 January, Shift 2Lanthanides & Actinides

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

(D) Gd

(E) Pm

Choose the correct answer from the options given below:

A
B and D only
B
A and E only
C
A and B only
D
C and D only

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