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Melting point: 83.81 ... Argon is a chemical element; it has symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. [10]
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.
This list is sorted by boiling point of gases in ascending order, ... Melting pt (°C) Molecular weight CAS No ... Argon: Ar −185.848 −189.34 40 7440-37-1
Melting and boiling points increase going down the group. This is a plot of ionization potential versus atomic number . The noble gases have the largest ionization potential for each period, although period 7 is expected to break this trend because the predicted first ionization energy of oganesson (Z = 118) is lower than those of elements 110-112.
Boca Raton, Florida, 2003; Section 6, Fluid Properties; Critical Constants. Also agrees with Celsius values from Section 4: Properties of the Elements and Inorganic Compounds, Melting, Boiling, Triple, and Critical Point Temperatures of the Elements Estimated accuracy for Tc and Pc is indicated by the number of digits.
Processed red meats are linked to a higher risk of developing heart disease and diabetes—and those conditions are associated with a higher risk of developing dementia, Dr. Dao points out.
This is a list of the various reported boiling points for the elements, with recommended values to be used elsewhere on Wikipedia. ... 18 Ar argon; use: 87.302 K: − ...
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