We often think of atoms as tiny spheres, but in fact they are made from smaller particles called protons, neutrons and electrons.. This means carbon is an element close elementA pure substance ...

Thioxanthones are fascinating organic compounds that have found their way into many industrial and everyday applications. In the printing industry, for example, they help inks dry faster when ...

The simplest ratio of atoms of each element in a compound is called the empirical formula. Mass is conserved in chemical reactions.

The electronic structure of atoms and molecules is the series of energy levels that it are possible for a bound electron to occupy. This electronic structure determines many of the defining ...