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 \text{ ) } A. {\Sm} B. {\Eu} C. {\Tb} D. Gd E. {\Pm} Choose the correct answer from the options given below: [31-Jan-2023 Shift 2]

Correct Answer is : B and D only

Classification of Elements Part 1

Section: Chemistry

Question : 1 of 100

Marks: +1, -0

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:

[31-Jan-2023 Shift 2]

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

Validate

Go to Question:

Next Question