NEET Class neet Answered
In an atom, which has 2K, 8L,18M and 2N electrons in the ground state. The total number of electrons having magnetic quantum number, m = 0 is
Asked by kumarisakshi0209 | 22 Mar, 2019, 11:49: AM
Expert Answer
We have given, 2K, 8L,18M and 2N electrons in the ground state which means,
2K = 1s2
8L = 2s2 2p6
18M = 3s2 3p6 3d10
2N = 4s2
For, s, p and d, m=0 with spins +1/2 i.e., 2 electrons
Hence find electrons for each orbital,
2K = 1s2 = 2 electrons
8L = 2s2 2p6 = 4 electrons
18M = 3s2 3p6 3d10 = 6 electrons
2N = 4s2 = 2 electrons
Total = 14 electrons
The total number of electrons having magnetic quantum number, m = 0 is 14
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