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The four quantum numbers of the valence electron of potassium are
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$4,0,0$ and $+\frac{1}{2}$
Atomic number of potassium is 19 and hence electronic configurtion will be $1 s^2, 2 s^2, 2 p^6, 3 s^2, 3 p^6, 4 s^1$
Hence for $4 s^1$ electron value of Quantum number are
Prncipal quantum number $n=4$
Azimuthal quantum number $I=0$
Magnetic quantum number $m=0$
Spin quantum number $s=+1 / 2$
Hence for $4 s^1$ electron value of Quantum number are
Prncipal quantum number $n=4$
Azimuthal quantum number $I=0$
Magnetic quantum number $m=0$
Spin quantum number $s=+1 / 2$
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