A) 4, 1, 0 and \[\frac{1}{2}\]
B) 4, 0, 1 and \[\frac{1}{2}\]
C) 4, 0, 0 and \[+\frac{1}{2}\]
D) 4, 1, 1 and \[\frac{1}{2}\]
Correct Answer: C
Solution :
Atomic number of potassium is 19 and hence electronic configuration 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 Principal quantum number \[n=4\] Azimuthal quantum number \[l=0\] Magnetic quantum number \[m=0\] Spin quantum number \[s=+1/2\]
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