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Melting point [ edit ] In the following table, the use row is the value recommended for use in other Wikipedia pages in order to maintain consistency across content.
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The melting point (or, rarely, liquefaction point) of a substance is the temperature at which it changes state from solid to liquid. At the melting point the solid and liquid phase exist in equilibrium. The melting point of a substance depends on pressure and is usually specified at a standard pressure such as 1 atmosphere or 100 kPa.
The overlaps get quite close at the point where the d-orbitals enter the picture, [50] and the order can shift slightly with atomic number [51] and atomic charge. [52] [h] Starting from the simplest atom, this lets us build up the periodic table one at a time in order of atomic number, by considering the cases of single atoms.
The definitive visualisation of all 118 elements is the periodic table of the elements, ... Melting point [d] Boiling point [e]
Melting point and standard pressure [ edit ] The following table gives the most stable crystalline structure of each element at its melting point at atmospheric pressure (H, He, N, O, F, Ne, Cl, Ar, Kr, Xe, and Rn are gases at STP; Br and Hg are liquids at STP.)
Boiling points of the elements (data page) — Boiling point; Critical points of the elements (data page) — Critical point; Densities of the elements (data page) — Density (solid, liquid, gas) Elastic properties of the elements (data page) — Young's modulus, Poisson ratio, bulk modulus, shear modulus
As a reference, molten sodium chloride, table salt has a melting point (m.p.) of 801 °C (1,474 °F). A variety of eutectic mixtures have been developed with lower melting points: Chlorides