Arsenic mineral. Mineral containing the semi- metallic element arsenic. Arsenic (As),which is very toxic to humans,is in group 15 (5A) of the periodic table and has an atomic weight of 74.92 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Winters, Charles D. |
Taille de l’image : | 5079 px × 3485 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
|