The ..........quantum number defines the shape of an orbital? A.spin B.magnetic C.principal D.angular momentum E.psi. The ...........subshell contains only one orbital? A.5d B.6f C.4s D.3d E.1p. The angular momentum quantum number is 3 in.........orbitals? A.s B.p C.d D.f E.a The principal quantum number of the first d subshell is? A.1 B.2 C.3 D.4 E.0 [Ar]4s^23d^104p^3 is the electron configuration of a(n)........atom? A.As B.V C.P D.Sb E.Sn