d Orbitals
s orbitals have no planar node (l = 0) and so are spherical.
p orbitals have l = 1, and have 1 planar node,
and so are “dumbbell” shaped.
d orbitals (with l = 2)
have 2 planar nodes
IN GENERAL
the number of NODES
= value of angular
quantum number (l)
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