|Group||Lanthanides||Melting point||1072°C, 1962°F, 1345 K|
|Period||6||Boiling point||1794°C, 3261°F, 2067 K|
|Block||f||Density (g cm-3)||7.52|
|Atomic number||62||Relative atomic mass||150.36|
|State at 20°C||Solid||Key isotopes||152Sm|
|Electron configuration||[Xe] 4f6 6s2||CAS number||7440-19-9|
|ChemSpider ID||22391||ChemSpider is a free chemical structure database.|
- Samarium is a chemical element with atomic number 62 and represented by the symbol Sm in the Periodic Table.
- Samarium is a chemical element with atomic number 62 and represented by the symbol Sm in the Periodic Table. It was discovered by Paul Emile Lecoq de Boisbaudran in the year 1879.
- The most important application of Samarium is Samarium-Cobalt magnets which have a very high permanent magnetization. These magnets are used in headphones, small motors and musical instruments like guitars.
- This element is used in the manufacture of solar-powered electric aircrafts.
- It is used in making special infrared absorbing glass and cores of carbon arc lamp electrodes.
- Acts as a catalyst in ethanol dehydration process.It is also used in making new permanent magnets.
- It is a silvery white, rare earth metal having the physical properties like hardness, similar to zinc.
- It is one of the most volatile elements among the lanthanides.
- Samarium and its compounds are paramagnetic at room temperature.
- It is the 40th most abundant element in earth’s crust and 5th most abundant element among Lanthanides.
- This element is most abundant in China, India, Brazil, US, Australia and Sri Lanka and yearly production is estimated at 2 million tonnes.
- Samarium has no biological role and it is not that toxic. It is observed that some soluble salts are mildly toxic but cannot affect the human life.
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