Category: The Matter

The atom 0

The atomic structure of the matter

The atom The atom is the fundamental building unit of the matter , and it is the smallest individual unit of the matter which can share in the chemical reactions , Boyle , Thomas...

Acids 0

The types and properties of the acides

Types of the compounds There are countless number of existing compounds , they can be classified according to their properties only into the acides , the bases ( alkalis ) , the oxides and...

The inert gases 0

The properties of the noble ( inert ) gases

The inert gases are the elements in which the outermost electron shells are completely filled with the electrons , so they don’t participate in any chemical combination in the ordinary conditions .