---
Title: PY21W
Language: hu-HU
Canonical URL to this Markdown version of this page: [https://nimfas.com/izzok/halogen/py21w.md](https://nimfas.com/izzok/halogen/py21w.md)
Canonical URL to HTML version of this page (for humans): [https://nimfas.com/izzok/halogen/py21w](https://nimfas.com/izzok/halogen/py21w)
---

# PY21W

Breadcrumb: [Izzók](https://nimfas.com/izzok.md) > [Halogén](https://nimfas.com/izzok/halogen.md) > [PY21W](https://nimfas.com/izzok/halogen/py21w.md)