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A liquid is a phase of matter between the crystalline solid state and the gaseous state. The large scale
crystalline order of the true solid is absent but the liquid has a small scale close
relationship between adjacent atoms. There is no definitive theory of the
liquid state. It is considered that the molecules comprising liquids are attracted
to each other by low energy bonds types such as the Van der Waals Bond. These bonds being
easily broken by heat when vaporisation is taking place.
On examining the periodic table the majority of elements are solid at STP. The only liquids
are Br (Bromine) and Hg (mercury). The only gases are H(Hydrogen), He (Helium), N(Nitrogen), O(Oxygen)
F(flourine),Ne (Neon) Cl(chlorine) Ar (Argon), Kr(Krypron), Xe(Xenon), Ra (Radon).
General Characteristics and properties of Liquids
The properties of various representative solids are provided on page Liquid properties.
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Last Updated 29/01/2013