Nitrogen molecule,computer artwork. Nitrogen molecules consist of two nitrogen atoms bonded covalently. It is a gas at room temperature and pressure. Largely inert,nitrogen makes up almost 80 per cent of the Earth's atmosphere. | |
Licence : | Libre de droits |
Crédit: | Science Photo Library / Pasieka, Alfred |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |