Avogadro’s Number is a fixed number (6.02 × 1023), and It is used to define the number of atoms, molecules, ions, and particles that are present in one mole of a substance (an element or...
Chemical analysis is considered one of the important branches of chemical science which plays an important role in science progress, Also plays an important role in the progress of scientific fields such as medicine,...
The chemical compound is represented by a chemical formula which is a simple symbolic formula that indicates the element percentage and the number of atoms or ions of each element , The chemical compound is...
The mole Mole is the unit of the quality of matter in the International System of Units ( SI ) and it is defined by different ways according to the mole and mass of...
