Category: The Matter

Oxygen importance 3

The importance and uses of oxygen gas in our life

Oxygen is a chemically active element, It is the first element of group 16 of the periodic table, It is important for the human and all living organisms as it is used in respiration...

States of matter 0

The states of matter (solid, liquid, gas & plasma)

The states of matter All matters have a mass and take up space, the state of matter is one of the distinct forms that matter takes on, and there are four states of matter...

Kinds of molecules 0

What are the 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, A molecule...