Tagged: What is the economic importance of oxygen?

Name: Metals and nonmetals, Economic importance of some metals and nonmetals
Uploaded: 2014-07-12T10:50:00+02:00
Channel: Heba Soffar
Description: Elements are composed of small particles known as molecules which are composed of atoms. Metals are solids except mercury which is liquid. Solid metals as c ...

The Matter

July 12, 2014

Metals and nonmetals, Economic importance of some metals and nonmetals

Every day, we can see the matter around us that has mass and volume. The matter may exist as an element or a compound. The element is the simplest form of matter that can...