

MCQOPTIONS
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1. |
The order of filling of electrons in the orbitals of an atom will be [CBSE PMT 1991] |
A. | \[3d,\,4s,\,4p,\,4d,\,5s\] |
B. | \[4s,\,3d,\,4p,\,5s,\,4d\] |
C. | \[5s,\,4p,\,3d,\,4d,\,5s\] |
D. | \[3d,\,4p,\,4s,\,4d,\,5s\] |
Answer» C. \[5s,\,4p,\,3d,\,4d,\,5s\] | |