Matter
Videos
In physical science, matter is any substance that has mass and takes up space by having volume. All everyday objects that can be touched are ultimately composed of atoms, which are made up of interact
Hydrogen in its plasma state is the most abundant ordinary matter in the universe.
Steam and liquid water are two different forms of the same pure chemical substance, water.
Phase diagram for a typical substance at a fixed volume
Chemistry
Videos
Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies matter: composition, structure, properties, behavior and t
Matter
…leptons. However, in both physics and chemistry, matter exhibits both wave-like and particle-like properties (the so-called wave–particle duality). In chemistry, a substance is a unique form of matter with constant chemical composition and characteristic properties. Chemical substances may take the form of a…
Sulfur sample
Sal
Laboratory, Institute of Biochemistry, University of Cologne in Germany
Solutions of substances in reagent bottles, including ammonium hydroxide and nitric acid, illuminated in different colors