Sodium. A chunk of sodium (Na) metal in a Petri dish. Its surface is tarnished (oxidized) due to exposure to air. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Turtle Rock Scientific |
Bildgröße: | 5143 px × 3423 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |