
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 | F18 | F19 | F19i |
| H | He | Li | Be | B | C | N | O | F | Ne | Na | Mg | Al | Si | P | S | Cl | Ar |
| K | Ca | Sc | Ti | V | Cr | Mn | Fe | Co | Ni | Cu | Zn | Ga | Ge | As | Se | Br | Kr |
| Rb | Sr | Y | Zr | Nb | Mo | Tc | Ru | Rh | Pd | Ag | Cd | In | Sn | Sb | Te | I | Xe |
| Cs | Ba | Pr | Nd | Sm | Gd | Tb | Dy | Ho | Er | Yb | Ta | W | Os | Ir | Au | Hg | Pb |
Probably obsolete nuclear structure of the F19 atom.