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.
Valenzschalenmodell Flammenfrbung. ValenzschalenmodellFlammenfrbung svg en This image explains the chemical changes during flame test de Grafische Darstellung der ElektronenAnhebung und dem Zurckfallen am Valenzschalenmodell own FKSFelix Flame test
Page 2023 Free-images.com. All images are Public Domain