# mass excess

> difference between mass and mass number of a nuclide

**Wikidata**: [Q1571163](https://www.wikidata.org/wiki/Q1571163)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mass_excess)  
**Source**: https://4ort.xyz/entity/mass-excess


## References

1. Freebase Data Dumps. 2013
2. ISO 80000-10:2019 Quantities and units — Part 10: Atomic and nuclear physics