But even before 17 I‘ve learnt with the orbitals diagrams like here: https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/S

But even before 17 I‘ve learnt with the orbitals diagrams like here: https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Quantum_Mechanics/09._The_Hydrogen_Atom/Atomic_Theory/Electrons_in_Atoms/Electronic_Orbitals https://chem.libretexts.org/Bookshelves/Physical_and_Theoret... Which I still find more informative than the drawings on the original post page.