Question

what are node and nodal plane ?
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Answer 1

Answer:

Truong-Son N. A nodal surface is also called a radial node, which is a hollow spherical region in which electrons cannot be. A nodal plane is also called an angular node, which is either a plane where electrons cannot be, or a conic surface ( dz2 orbital).

Answer 2

Nodes are also called radial node, the Region where probability of finding an electron is 0.

While Nodal plane is also called an angular node, which is either a plane where electrons cannot be found.