| Proton number | Neutron number | Nucleon number | Symbol | Name |
| 1 | 0 | 1 | H | Hydrogen |
| 2 | 2 | 4 | He | Helium |
| 3 | 4 | 7 | Li | Lithium |
| 4 | 5 | 9 | Be | Beryllium |
| 5 | 6 | 11 | B | Boron |
| 6 | 6 | 12 | C | Carbon |
| 7 | 7 | 14 | N | Nitrogen |
| 8 | 8 | 16 | O | Oxygen |
| 10 | 10 | 20 | Ne | Neon |
| 11 | 12 | 23 | Na | Sodium |
| 14 | 14 | 28 | Si | Silicon |
| 15 | 16 | 31 | P | Phosphorus |
| 18 | 22 | 40 | Ar | Argon |
| 22 | 26 | 48 | Ti | Titanium |