Total number of nodes for 3d orbital is ________(a) 3(b) 2(c) 1(d) 0This question was posed to me in class test.My doubt is from Quantum Mechanical Model of Atom in section Structure of Atom of Chemistry – Class 11

Total number of nodes for 3d orbital is ________(a) 3(b) 2(c) 1(d) 0Th

1.	Total number of nodes for 3d orbital is ________(a) 3(b) 2(c) 1(d) 0This question was posed to me in class test.My doubt is from Quantum Mechanical Model of Atom in section Structure of Atom of Chemistry – Class 11
Answer» Correct answer is (b) 2 To ELABORATE: Total number of nodes INCLUDE angular and radial nodes. Angular nodes and radial nodes are given by the formula N – L -1 and l RESPECTIVELY. So the total number of nodes are n – l -1 + l = n – 1. For 3d orbit, “n” is 3, so total number nodes is 3 – 1 = 2.

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