Blue toruses = 19 protons
Red toruses = 10 nuclear electrons
Atomic number of F19 = protons (19) - nuclear electrons (10) = (9)
The central nanotube part correspond to Li7 stable nucleus.
| F14 | F15 | F16 | F17 | F19 | F19i |
| H | He | Li | Be | B | C | N | O | F | Ne | Na | Mg | Si | S | Ar | Ca |
| Fe | Ni | Zn | Ga | Ge | Se | Kr | Rb | Sr | Y | Nb | Mo | Ru | Rh | Pd | Ag |
| In | Sb | I | Ba | Ce | Nd | Sm | Tb | Yb | Ta | W | Os | Ir | Au | Hg | Pb |