Dendritic crystal of pure Chromium (Cr) has the atomic number 24 and is a hard,metallic element that can be highly polished. It never occurs by itself in nature but only in compounds. When combined with oxygen it yields chromic oxide which is used as a pigment | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Kinsman, Ted |
Taille de l’image : | 5616 px × 3744 px |
Model Release : | Non requis |
Property Release : | Non requis |
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