Question

The number of radial nodes 3s and 2p orbitals are respectively

(a) 2,0

(b) 0,2

(c) 1,2

(d) 2,11

Answer 1

Correct option (a) 2,0

Explanation:

Number of radial nodes = (n - l - 1)

For 3s, n = 3, l = 0 (Number of radial node = 2)

For 2p, n = 2, l = I (Number of radial node = 0)

Hence, angular momentum of lowest orbit