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Light microscope and Electron microscope 0

Light microscope and Electron microscope

It is difficult to see the cell or its components due to their very minute size , So , the cell discovery was related to the invention of the microscope , Also , seeing...

The empirical formula 0

Calculation of the chemical formula

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 .