How many electron can occupy in orbital in 3 rd shell of any atom if possible value of m are minze l plus 1, minze l minze 1, minze l minze 2,... 0, 1

How many electron can occupy in orbital in 3 rd shell of any atom if possible value of m are minze l plus 1, minze l minze 1, minze l minze 2,... 0, 1 , l minze 2 l minze 1 l l plus one and m equal to minze ½ 0 1/2?
 
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