GCSE AQA Trilogy Small molecules - AQA Drawing dot and cross diagrams A covalent bond is a shared pair of electrons. Covalent bonding forms molecules. Substances with small molecules have low ...

Feammox, that is, Fe(III) reduction coupled to anaerobic ammonium oxidation, has been reported to play an important role in the nitrogen cycle in natural environments. However, the application of ...

The P–T phase diagram is calculated at low and moderate pressures by obtaining the phase line equations for the transitions considered in nitrogen using the Landau phenomenological model. For some ...