Sulphur,table salt and copper sulphate. Sulphur (yellow,S) is a chemical element that forms a yellow crystalline solid. Table salt (white) is a chemical compound of sodium and chloride ions,forming the colourless crystalline solid sodium chloride (NaCl). Copper (II) sulphate (blue,CuSO4) is a chemical compound of copper and sulphate ions. The copper is in its +2 (II) oxidation state. The blue colour is due to the formation of a hydrated complex of the copper ion | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Chillmaid, Martyn F. |
Taille de l’image : | 6483 px × 2762 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |