Blue toruses = 15 protons
Red toruses = 8 nuclear electrons
Atomic number of N (7) = protons (15) - nuclear electrons (8)
Yin-yang photon model of light
Nuclear symmetry,
Nuclear structure of elements
Nuclear properties
| N10 | N11 | N12 | N13 | N14 | N15 | N16 | N17 |
| H | He | Li | Be | B | C | N | O | F | Ne |
| Na | Mg | Si | S | Ar | Ca | Fe | Ni | Nd | Pb |
Nitrogen 15 nuclear structure. N15 is a stable isotope (natural abundance = 0.366%).