How many Orbitals are present in third object?
a. 3
b.5
c.9
d.18

Answer:
9 orbits, The 3d subshell will be having 5 orbitals. On adding all the orbitals of 3s, 3p and 3d we get a total of 9 orbitals. Therefore, there are 9 orbitals in the third shell.