Sodium. A chunk of sodium (Na) metal in a watch glass. Its surface is tarnished (oxidized) due to exposure to air. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Turtle Rock Scientific |
Bildgröße: | 5073 px × 3408 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |