# Bohr-Sommerfeld atom model

> extension of the Bohr model to allow elliptical orbits of electrons around an atomic nucleus

**Wikidata**: [Q360686](https://www.wikidata.org/wiki/Q360686)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bohr–Sommerfeld_model)  
**Source**: https://4ort.xyz/entity/bohr-sommerfeld-atom-model