Chunks of alkali metals, left to right: lithium (Li), sodium (Na), potassium (K). | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Turtle Rock Scientific |
Taille de l’image : | 5157 px × 3398 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |