Imagine the amplitude(square of the displacement)in three dimensions-two out of phase lobes,separated by a nodal plane:a 2p orbital nodal plane nucleus represented by nucleus wave function (instantaneous picture) nodal plane nodal plane nucleus nucleus represented by equivalent wave function (instantaneous picture) nodal plane Ch02 Structure and Properties (landscape) Page4 Ch02 Structure and Properties (landscape) Page 4 Imagine the amplitude (square of the displacement) in three dimensions – two out of phase lobes, separated by a nodal plane: a 2p orbital