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Sir, pls solve the following.
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Asked by rsudipto | 25 Dec, 2018, 10:02: AM
answered-by-expert Expert Answer
n = 4 (valence shell); l = 1(p subshell); s =-1/2
 
following combination cannot be done for the above quantum numbers
 
 +1  0 -1
    ↑↓         ↑↓          ↑↓    
 
begin inline style sum for m of end style = 2x(+1) + (-1) +0 = +1
begin inline style sum for S of end style ≠ -1/2
 
configuration = 1s2 2s2 sp6 3s2 3p6 4s2 3d10 4p6 
 
adding electrons = 36 (atomic number)
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