# period 1

> first row (or period) of the periodic table of the chemical elements

**Wikidata**: [Q191936](https://www.wikidata.org/wiki/Q191936)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Period_1_element)  
**Source**: https://4ort.xyz/entity/period-1


## References

1. Freebase Data Dumps. 2013
2. BabelNet