Atom definition (chemistry glossary) - thoughtco, At present, the most common type of atom in the universe is hydrogen, although over time, increasing amounts of helium and oxygen will exist, likely overtaking. It' elemental - element nitrogen, The element nitrogen - basic physical and historical information. Oxidation reduction - georgia state university, Gain and loss of electrons. the original view of oxidation and reduction is that of adding or removing oxygen. an alternative view is to describe oxidation as the.

Azole - wikipedia, Azoles class -membered heterocyclic compounds nitrogen atom -carbon atom (.. nitrogen, sulfur, oxygen) . https://en.wikipedia.org/wiki/Azole Chem4kids.: atoms: compounds, Chem4kids.! tutorial introduces chemical compounds. sections include matter, elements, periodic table, reactions, biochemistry.. http://www.chem4kids.com/files/atom_compounds.html How atoms work | howstuffworks, But atom? ? ? pursuit structure atom married areas chemistry physics . http://science.howstuffworks.com/atom.htm