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Write the values of quantum number of al...

Write the values of quantum number of all the electrons in `""_(3)Li`-atom.

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Number of electrons of `""_(3)Li`-atom=3. therefore, its electronic configuration: `1s^(2)2s^(1)`.
Now, for 2s-subshell, n=1, l=0 and m=0 and for 2s-subshell, n=2, l=0 and m=0.
Therefore, the values of the quantum number of the 3 electrons of Li-atom are:
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