Topic: states of matter

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states of matter

The Columbia Encyclopedia, Sixth Edition
states of matter forms of matter differing in several properties because of differences in the motions and forces of the molecules (or atoms, ions, or elementary particles) of which they are composed. The states of matter are also known as phases of matter or states of aggregation. There are three commonly recognized states of matter: solid , liquid , and gas . The molecules of a solid are limited to vibration about a fixed position. This restriction gives a solid both a definite volume and a definite shape. As energy in the form of heat is added to a solid, its molecules begin... Read more
matter, states of
World Encyclopedia matter, states of Classification of matter according to its structural characteristics. Four states (or phases ) of matter are generally recognized: solid, liquid ... simultaneously in two or more of these states. Solids may be crystalline, as in ... Read more
matter
World Encyclopedia matter Any material that takes up space. Matter can exist as a solid, liquid, gas or plasma. Ordinary matter is made up of atoms , which are combinations of electrons ... proton in their nuclei (hydrogen) to a hundred or more. All matter exerts an attractive force on other matter, called ... Read more

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Ali G - States of Matter, Chemistry