Sodium. A chunk of sodium (Na) metal in a watch glass. Its surface is tarnished (oxidized) due to exposure to air. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Turtle Rock Scientific |
Taille de l’image : | 5073 px × 3408 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |