How many subshells are in the n = 3 shell? And How many orbitals are in the n = 5 shell?
1 Answer
Apr 21, 2018
3 subshells in 3rd shell and 25 orbitals in 5th shell.
Explanation:

Number of subshells in
#"n"^"th"# shell#"= n"#
So, there are#3# subshells (#"s, p, d"# ) in#"3"^"rd"# shell. 
Number of orbitals in
#"n"^"th"# shell#"= n"^2#
So, there are#25# orbitals in#"5"^"th"# shell.