# alpha particle

> particle of alpha radiation; helium-4 nucleus; particle of two protons and two neutrons

**Wikidata**: [Q103517](https://www.wikidata.org/wiki/Q103517)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Alpha_particle)  
**Source**: https://4ort.xyz/entity/alpha-particle


## References

1. alpha particle. Global Substance Registration System
2. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
3. Freebase Data Dumps. 2013
4. ChEBI release 2021-03-01
5. Quora
6. National Library of Israel
7. KBpedia
8. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)