This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
FrostKreis. FrostKreis own original text selbst erstellt br original text muellerb Muellerb original upload log page de Frost Muellerb bytes no Andere Versionen Orbitals Diagrams in German
Page 2023 Free-images.com. All images are Public Domain