Strontium is a silvery-white, soft element that rapidly reacts in the air (oxygen) to form a thin film of yellow precipitate (SEO). As such, the metal assumes a pale-yellow appearance. Principally, the element assumes a solid-state and has a density of 2.64 g/cm2 at room temperature. However, as it melts the density decreases to 2.375 g/cm3. Moreover, it has a â€œspecific heat capacity of 26.4J/mol/Kâ€ (â€œCHEMICAL, PHYSICAL and RADIOLOGICAL INFORMATIONâ€), and at the melting phase, the heat of fusion is 7.43 kJ per mol.
At the evaporation phase, the heat of vaporization is 136.9 kJ per mol. Importantly, the element has a melting and boiling point of 1050 (7770 C) and 1655 K (13820 C or 25200 F) respectively. Noteworthy, the element is paramagnetic, has an electric resistivity of 132 nÎ©.m at 2000 C, and the thermal heat transfers at a rate of 35.4 W/m/K. The table below shows the physical properties of strontium and its compounds.
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