In a multielectron atom, which of the following orbitals described by three quantum numbers with have same energy in absence of electric and magnetic fields?
A. n = 1, l = 0, m1 = 0
B. n = 2, l = 0, m1 = 0
C. n = 2, l = 1, m1 = 1
D. n = 3, l = 2, m1 = 1
E. n = 3, l = 2, m1 = 0
Choose the correct answer from the options given below :
1
A and B only
2
B and C only
3
C and D only
4
D and E only