The covalent radius (a measure of how large individual atoms are) shows different trends if you are moving across a period or down a group. A comparison of the relative covalent radii of atoms is ...

Simple organic molecules that can directly activate carbon–hydrogen bonds when photoexcited are effectively limited to carbonyls. Now, neutral acridines, nitrogen-containing aromatic heterocycles, are ...

The reactivity series shows metals in order of reactivity. The reactivity of a metal is related to its tendency to form positive ions. Iron and aluminium are extracted from their ores in various ways.

Chemistry news. Read chemistry articles from research institutes around the world -- organic and inorganic chemistry -- including new techniques and inventions.

Read the latest Research articles in Chemistry from Scientific Reports ...