Iron, sulphur and their mixture. Iron (Fe, left), sulphur (S, right), and mixture of iron and sulphur (back) in watch glasses. The individual elements in the mixture are not chemically bonded to each other and can be physically separated. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Giphotostock |
Bildgröße: | 5166 px × 3433 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |