What is Matter? by caren adams


What is matter?... Matter is a physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.

These are examples of matter.
Matter Classification Chart

Pure Substance

Pure Substance - A pure substance or chemical substance is a material that has constant composition (is homogeneous) and has consistent properties throughout the sample.

Water and Salt are a couple examples of pure substances.


Element : each of more than one hundred substances that cannot be chemically inter-converted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number, i.e., the number of protons in the nuclei of its atoms.

Periodic Table of Elements


Compound : a thing that is composed of two or more separate elements; a mixture.


Mixture : a substance made by mixing other substances together.


Homogeneous : A homogeneous mixture is a solid, liquid or gaseous mixture that has the same proportions of its components throughout a given sample (or multiple samples of different proportion). Conversely, a heterogeneous mixture is not uniform in composition, but proportions of its components vary throughout the sample.


Solution : a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent).

some solutions


Heterogeneous : heterogeneous mixture is made of different substances that remain physically separate. Heterogeneous mixtures always have more than one phase (regions with uniform composition and properties). A mixture of sand and sugar is a heterogeneous mixture.


Suspension : suspension is a heterogeneous mixture in which solute-like particles settle out of a solvent-like phase some time after their introduction.


Colloid : A colloid, in chemistry, is a mixture in which one substance of microscopically dispersed insoluble particles is suspended throughout another substance.


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