Another example of \(n=7\) shell, with seven orbits equally spaced over a sphere is Chlorine gas, \(Cl_2\). The two \(Cl\) nuclei will get as close as possible to complete the last orbital pair.
They may not be concentric as the last unpaired orbit aligns.
In summary, a new periodic table given a slightly different interpretation of Quantum Numbers.
Have a nice day.