Question

Radial nodes present in 3s and 3p-orbitals are respectively

• A. 0, 2
• B. 2, 0
• C. 2, 1
• D. 1, 2

Answer 1

Answer: (C)

Number of radial nodes $=(n-l-1)$
For $3s,$ $n=3,l=0$
(Number of radial node $=3-0-1=2$ )
For $3p,$
$n=3,l=1$
(Number of radial node $=3-1-1=1$ )