Question

Total number of orbitals associated with third shell will be ____

• A. 2
• B. 4
• C. 9
• D. 3

Answer 1

Answer: (C)

9

Answer 2

: Total no. of orbitals in n^th shell $= n^{2}$

$\therefore$ Total no. of orbitals in 3^rd shell (n = 3) = $3^{2} = 9$