| Atomic mass | … |
|---|---|
| Stylized lithium-7 atom: 3 protons, 4 neutrons, and 3 electrons (total electrons are ~1/4300 of the mass of the nucleus). It has a mass of 7.016 Da. Rare lithium-6 (mass of 6.015 Da) has only 3 neutrons, reducing the atomic weight (average) of lithium to 6.941. | … |
| Common symbols | m, m |
| SI unit | kilogram (kg) |
| Other units | dalton (Da) |
| Intensive ? | yes |
| Behaviour under coord transformation | scalar |
(echo:: @ ᯤ)