The maximum number of electrons that can be accommodated in $f$ subshell is

Based on the quantum numbers, what will be the maximum number of elements in the sixth period of the periodic table?

Which of the following outer electronic configurations represents argon?

The quantum number which explains the line spectra observed as doublets in the case of hydrogen and alkali metals, and doublets and triplets in the case of alkaline earth metals is:

The difference between the orbital angular momentum of an electron in a $4f$ orbital and another electron in a $4s$ orbital is

For electrons having principal quantum number $n = 3$,the number of $(i)$ subshells and $(ii)$ orbitals would be respectively: