Which of the following elements have half-filled f-orbitals in their ground state ? (Given : atomic number Sm — 62; Eu…
d & f-Block Elements · Class 12 · JEE Main Previous Year Question
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) Choose the correct answer from the options given below :
- a
A and B only
- b
C and D only
- c✓
B and D only
- d
A and E only
B and D only
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