Here's why:

* Properties of Matter: Chemistry investigates the physical and chemical properties of substances, including their appearance, state (solid, liquid, gas), density, melting point, boiling point, reactivity, and more.

* Composition of Matter: Chemistry delves into the structure and arrangement of atoms and molecules that make up matter. It explores the elements, their isotopes, and how they combine to form compounds.

* Transformations of Matter: Chemistry studies how matter changes and interacts with other matter through chemical reactions, exploring the energy involved and the products formed.

While other sciences like physics and biology also touch upon the nature of matter, chemistry is the central discipline dedicated to its comprehensive study.