Alkali metal halide Properties Properties

| Lithium | Sodium | Potassium | Rubidium | Caesium |
|---|---|---|---|---|
| Lithium | Sodium | Potassium | Rubidium | Caesium |
| H a l o g e n s | Fluorine | LiF (3.0) | NaF (3.1) | KF (3.2) |
| H a l o g e n s | Chlorine | LiCl (2.0) | NaCl (2.1) | KCl (2.2) |
| H a l o g e n s | Bromine | LiBr (1.8) | NaBr (1.9) | KBr (2.0) |
| H a l o g e n s | Iodine | LiI (1.5) | NaI (1.6) | KI (1.7) |