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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 .

Diversity of cells 0

The discovery , theory and diversity of cells

All living organisms are characterized by common characteristics such as Feeding , transporting , respiration , excretion , motion , sensation and reproduction , living organisms are divided into unicellular organisms and multicellular organisms...