he comparison of an unknown quantity with another quantity of the saute kind in order to know the number of times which the first includes the second.

The science that is interested in studying the properties and structure of matter

chemical compounds that have healing properties and can be extracted from natural sources or prepared in laboratories

The science that studies the composition and properties of matter. the changes that occur on it. the reactions of different substances with each other and the suitable conditions of these reactions

the science branch that study about planets and space

the science branch that study about earth

The science which is interested in studying the chemical structure of the parts of the cell

The science that is interested in studying the living organisms

The science which is interested in studying matter. its movement and energy

it is one of the nano science branches which deals with the chemical applications of nano substances

some technical industries that chemistry is related to