1.

HOW MANY NODAL PLANES ARE THERE IN THE ATOMIC ORBITALS FOR THE PRINCIPAL QUANTUM NUMBER n = 3 ?

Answer»

Explanation:

The third SHELL consists of all ORBITALS with principal quantum number n=3 . A 3s orbital has two spherical nodal surfaces, but it has no nodal planes. Each of the THREE 3P orbitals has a nodal plane perpendicular to its main AXIS. Four of the 3d orbitals have two nodal planes each.



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