Difference between Compound and Mixture

Definition of Compound

When two or more atoms of the different elements combined chemically to form a bond is called the compound. It is a kind of chemical blend between different elements or constituents. When the formation of the bond takes place, the new compound thus form has different chemical properties from the components by which they are made.

Definition of Mixture

Mixture contains two or more substances mixed, but neither chemically as well as not in inexact quantity while compound includes two or more elements combined chemically and in a fixed ratio. For instance, Seawater, Crude oil, Mineral oils, etc., are some of the mixtures, Water (H2O), Hydrogen Peroxide, Sodium Chloride, Baking Soda, etc. are the name of some compounds.

As per the classical physics theory, anything that occupies space has mass and volume is known as the matter. Even matter can be classified into two classes, mixtures, and the pure substances. Pure substances are made up of elements and compounds.

Compound and mixture

Difference Between Compound and Mixture




Definition Compound are substances which are formed by chemically combining two or more elements. Mixtures are substances that are formed by physically mixing two or more substances.
Substance Category Compounds fall under pure substances. Mixtures fall under impure substances.
Composition Details The chemical composition of compounds is always fixed. A mixture can have a variable composition of the substances forming it.
Nature Compounds are always homogeneous in nature Mixtures can either be homogeneous or heterogeneous in nature.
Properties The properties of compounds are peculiar to itself as the constituents of a compound lose their original properties. The constituents of a mixture does not lose their properties and so, the properties of a mixture are generally the sum of the properties of its constituents.
New Substance A new substance is formed after the constituents are chemically combined. So, a compound has different properties from its constituents. No new substance is formed in mixtures and its properties depends upon the properties of its constituents.
Melting and Boiling Points The melting and boiling points of a compound is always defined. The melting and boiling points of a mixture is not defined.
Example Water, salt, baking soda, etc. Oil and water, sand and water, smog (smoke + fog), etc.