# meitnerium

> chemical element with symbol Mt and atomic number 109

**Wikidata**: [Q1258](https://www.wikidata.org/wiki/Q1258)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Meitnerium)  
**Source**: https://4ort.xyz/entity/meitnerium


## References

1. Atomic weights of the elements 2009 (IUPAC Technical Report)
2. [Source](https://www.cns11643.gov.tw/wordView.jsp?ID=219980)
3. Freebase Data Dumps. 2013
4. KBpedia