| A | B |
|---|
| Li (2, 1) | LITHIUM |
| Na (2, 8, 1) | SODIUM |
| H ( 1 ) | HYDROGEN |
| O (2, 6) | OXYGEN |
| He (2) | HELIUM |
| Ca (2, 8, 8, 2) | CALCIUM |
| C (2, 4) | CARBON |
| B (2, 3) | BORON |
| K (2, 8, 8, 1) | POTASSIUM |
| P (2, 8, 5) | PHOSPHORUS |
| N (2, 5) | NITROGEN |
| Ne (2, 8) | NEON |
| Al (2, 8, 3) | ALUMINIUM |
| Si (2, 8, 4) | SILICON |
| S (2, 8, 6) | SULPHUR |
| Cl (2, 8, 7) | CHLORINE |
| Ar (2, 8, 8 ) | ARGON |
| F (2, 7) | FLOURINE |
| Mg (2, 8, 2) | MAGNESIUM |
| Be (2, 2) | BERYLLIUM |
|
