For a subshell with $n = 5$,$l = 2$,and $m = 0$,which orbital is it?

Which of the following rules is violated by the given electronic configuration?

The magnetic quantum number specifies

Which of the following represents the ground state of an atom?

Identify the correct statements:
a) In an atom,the maximum number of electrons with $n=4$ and $m_s=+\frac{1}{2}$ is $16$.
b) There are $4$ subshells associated with $n=5$.
c) $n=2, l=1, m_l=0$ and $m_s=-\frac{1}{2}$ is a possible set of quantum numbers.
d) The number of radial nodes for $3s$ orbital is $2$.

Which set of quantum numbers is not possible from the following?