# atomic number

> number of protons found in the nucleus of an atom

**Wikidata**: [Q23809](https://www.wikidata.org/wiki/Q23809)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Atomic_number)  
**Source**: https://4ort.xyz/entity/atomic-number


## References

1. [Source](https://lingualibre.org/wiki/Q789544)
2. Freebase Data Dumps. 2013
3. BabelNet
4. ISO 80000-10:2019 Quantities and units — Part 10: Atomic and nuclear physics
5. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)