How many orbitals are possible in the 4^(th) energy level?(n=4)

1.	How many orbitals are possible in the 4^(th) energy level?(n=4)
Answer» Solution :n=4 NUMBER of orbitals in `4^(th)` energy level=l When n=4,l=0,1,2,3 if l=0orbital=4s=1 if l=1orbital=`4p_x,4p_y,4p_z`=3 If l=2orbital=`4d_(xy),4d_(YZ),4d_(zx)4d_(X^(2)-y^(2)),4d_(z^(2))=5` If l =2 orbital=`-3,-2,-1,0,+1,+2,+3=7` NUmber of orbitals in`4^(th)` energy level =16

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