Identify the seventh and thirteenth electrons of aluminum using only their quantum numbers. 7 th_____________________________ 13th ________________________________
Electron configuration of aluminium: ₁₃Al 1s²2s²2p⁶3s²3p¹. 1) 7th electron is in 2p orbital: principal quantum number n = 2. azimuthal quantum number l = 1. magnetic quantum number m = +1. spin quantum number s = +1/2. 2) 13th electron is in 3p orbital: principal quantum number n = 3. azimuthal quantum number l = 1. magnetic quantum number m = -1. spin quantum number s = +1/2.
