engineering chemistry MCQ #970

The number of radial nodes for an orbital is n - l - 1. For 3s orbital, the number of radial nodes is

engineering chemistry MCQ #970

  1. Question 1

    Q1. The number of radial nodes for an orbital is n - l - 1. For 3s orbital, the number of radial nodes is

    • A) 1
    • B) 2
    • C) 0
    • D) 3

    Answer: 2

    Explanation: For 3s, n = 3, l = 0. Number of radial nodes = 3 - 0 - 1 = 2.