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Which of the following statements are true ?\n(A) The subsidiary quantum number $l$ describes the shape of the orbital occupied by the electron.\n(B) [Diagram: Boundary surface diagram of 2px orbital, dumbbell shape along x-axis.] is the boundary surface diagram of the $2p_x$ orbital.\n(C) The + and – signs in the wave function of the $2p_x$ orbital refer to charge.\n(D) The wave function of $2p_x$ orbital is zero everywhere in the xy plane. - FirstInTest | FirstInTest