
Blue toruses = 90 protons
Red toruses = 50 nuclear electrons
Atomic number of Zr90 = protons (90) - nuclear electrons (50) = 40, with structure 4T+18D + 6Li7.
The structure of central nanotube is 4T+18D corresponds to Ti48 (?) stable nucleus.
The six member ring consists by 6 Lithium7 nuclei.
Click on image for bigger view of Zr90 nucleus.
Torus model of photon and matter
Nuclear structure of the elements
Is Zirconium Magnetic? No.

| Zr90 |
| 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 |