Question

how many nodes (radial node , angular node) are possible for 3s.
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Answer 1

To sum up, the 3pz orbital has 2 nodes:1 angular node and 1 radial node. Another example is the 5dxy orbital. There are four nodes total (5-1=4) and there aretwo angular nodes (d orbital has a quantum number ℓ=2) on the xz and zy planes.