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1. |
In a multi-electron atom, which of the following orbitals described by the three quantum members will have the same energy in the absence of magnetic and electric fields?[A] \[n=1,l=0,m=0\][B] \[n=2,l=0,m=0\] [C] \[n=2,l=1,m=1\][D] \[n=3,l=2,m=1\][E] \[n=3,l=2,m=0\] |
A. | [D] and [E] |
B. | [C] and [D] |
C. | [B] and [C] |
D. | [A] and [B] |
Answer» B. [C] and [D] | |