# d-block

> periodic table block; on the middle of the periodic table and includes elements from groups 3 through 12

**Wikidata**: [Q214503](https://www.wikidata.org/wiki/Q214503)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/D-block)  
**Source**: https://4ort.xyz/entity/d-block


## References

1. Freebase Data Dumps. 2013