Pure substances are substances that are composed of only one type of atom or molecule. They are homogeneous, meaning their composition is the same throughou...
Pure substances are substances that are composed of only one type of atom or molecule. They are homogeneous, meaning their composition is the same throughout the substance. Pure substances are characterized by their fixed chemical composition and molecular structure.
For example, water is a pure substance composed of hydrogen and oxygen atoms. It is a homogeneous mixture of these two elements, with the same chemical composition throughout the liquid.
Another example of a pure substance is diamond, which is composed of pure carbon atoms arranged in a highly ordered, crystalline structure.
Pure substances exhibit specific properties that are determined by their composition. For instance, their melting points and boiling points are fixed, and their physical properties (such as density and conductivity) remain constant regardless of temperature or pressure