The probability of finding an electron in the $d_{xy}$ orbital is maximum along:

An $e^-$ has a magnetic quantum number $(m_l)$ of $-3$. What is the minimum possible principal quantum number $(n)$ for this electron?

Consider the electronic configuration for neutral atoms:
$(i) \ 1s^22s^22p^63s^1$ $(ii) \ 1s^22s^22p^64s^1$
Which of the following statements is/are false?
$(a)$ Energy is required to change $(i)$ to $(ii)$
$(b)$ $(i)$ represents $Na$ atom
$(c)$ $(i)$ and $(ii)$ represent different elements
$(d)$ More energy is required to remove one electron from $(i)$ than $(ii)$

Which rule describes the arrangement of electrons in subshells of the same energy?

The electronic configuration of the element with atomic number $24$ is:

Which of the following orbitals will have $2$ nodal planes and $4$ total nodes?