Category: The Matter

Nitrogen gas 0

The importance and uses of nitrogen gas

Nitrogen gas uses Nitrogen gas is  used in small amounts to fill some types of lamps , In incandescent light bulbs as an inexpensive alternative to argon , and it is used to store...

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...