Question

Total number of orbitals associated with third shell will b e ___________ .

• A. $2$
• B. $4$
• C. $9$
• D. $3$

Answer 1

Answer: (C)

$9$

Answer 2

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