Tagged: Inert gases

Kinds of molecules 0

What are kinds of molecules ?

The molecules and the matter The molecules of one substance are alike in properties , but they differ from other substance molecules , the molecule is composed of tiny structural units called the atoms...

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 .

Modern periodic Table 0

The attempts of the elements classification

The elements The scientists classified the elements according to their properties to facilitate their study and to find a relationship between the elements ,  and their chemical and physical properties .