chemistry
Chemistry is the name of the science which studies composition, matter and structure.Specifically, the science in question deals with matter - elements which have mass and weight - and substances. It emphasizes the composition and properties of matter and substance. It also examines structure.
A chemist studies structure of matter.
Chemistry is the scientific study of the composition structure and properties of matter and the changes that it undergoes.
Several chemical properties can be estimated knowing the chemical composition.
Subject of chemistry studies are chemical composition, chemical structures, chemical reactions, chemical properties, synthesis of chemicals, etc.
Chemistry
chemist
Chemistry is the scientific study of the composition structure and properties of matter and the changes that it undergoes.
Chemistry
Substance
Because,it is the science that systematically studies the composition,properties and activity of organic and inorganic substances and various elementary forms of matter.
Examples of the characteristics of matter: state of matter, density, radioactivity, thermal properties, electrical properties, optical properties, chemical composition, etc.