Blue toruses = 93 protons
Red toruses = 52 nuclear electrons
Atomic number of Nb93 = protons (93) - nuclear electrons (52) = 41
The structure of central nanotube is 5T+18D corresponds to V51 stable nucleus.
The six member ring consists by 6 Lithium7 nuclei.
Click on image for bigger view of Nb93 nucleus.
Torus model of photon and matter
Nuclear structure of the elements
Exploring the Magnetic Properties of Niobium
| Nb93 |
| H | He | Li | Be | B | C | N | O | F | Ne |
| Na | Mg | Si | S | Ar | Ca | Fe | Ni | Nd | Pb |