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Melting point: 202 K (−71 °C ... and oil refineries separate petrochemicals based on their boiling points, ... The gold layer keeps the radon within, ...
This is a list of the various reported boiling points for the elements, with recommended values to be used elsewhere on Wikipedia. ... 86 Rn radon; use: 211.5 K: − ...
The Gmelin rare earths handbook lists 1522 °C and 1550 °C as two melting points given in the literature, the most recent reference [Handbook on the chemistry and physics of rare earths, vol.12 (1989)] is given with 1529 °C.
Radon; Density, liquid at boiling point and 1 atm ... Melting point (°C) [2] −272: −248.5: −189.6: −157.4: −111.5: −71.0 Melting point (K) 1.15: 24.65:
79 Au gold; use: 342 CRC: ... 86 Rn radon; use: 18.10 LNG: 18.10 ... Values refer to the enthalpy change in the conversion of liquid to gas at the boiling point ...
79 Au gold; use (T/K) 1646 1814 2021 ... 86 Rn radon; use (T/K) 110 121 134 ... The temperature at standard pressure should be equal to the normal boiling point, ...
Radon has no stable isotopes; its longest-lived isotope, 222 Rn, has a half-life of 3.8 days and decays to form helium and polonium, which ultimately decays to lead. [13] Oganesson also has no stable isotopes, and its only known isotope 294 Og is very short-lived (half-life 0.7 ms). Melting and boiling points increase going down the group.
With a freezing point of −38.83 °C and boiling point of 356.73 °C, mercury has one of the narrowest ranges of its liquid state of any metal. [36] [37] [38] Mercury occurs in deposits throughout the world mostly as cinnabar (mercuric sulfide). The red pigment vermilion is mostly obtained by reduction from cinnabar. Cinnabar is highly toxic ...