# unsepttrium

> hypothetical chemical element with the atomic number 173

**Wikidata**: [Q11289368](https://www.wikidata.org/wiki/Q11289368)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Unsepttrium)  
**Source**: https://4ort.xyz/entity/unsepttrium


## References

1. Nature's Building Blocks An A-Z Guide of the Elements New Edition
2. [Source](https://lingualibre.org/wiki//Q379910)