Samarium Element in Periodic Table | Atomic Number Atomic Mass

Samarium

Samarium Element:

Samarium is a chemical element with atomic number 62 and is represented by the symbol Sm. It is the sixth element in the lanthanide series of periodic table. It is preceded by promethium and succeeded by europium in the lanthanide series. It exhibits the common oxidation state +3, like other lanthanide elements. Under normal conditions of temperature and pressure, it is a silvery white solid metal. It melts at 1072 °C and boils at 1900 °C.

Samarium combines with cobalt to form a very powerful magnet. Samarium is found with other rare earth elements in the minerals of monazite and bastnasite. Natural samarium is a mixture of several  isotopes, out of which seven occur very commonly with mass numbers 144, 147, 148,149, 150, 152 and 154. Three of them with mass numbers 147, 148 and 149 occur naturally. Samarium reacts with water slowly under normal temperature, but it reacts vigorously with hot water to release hydrogen gas. At about 150°C, it reacts with oxygen to form oxide and catches fire, if the temperature exceeds.

Uses Of Samarium Element:

Samarium is used in making of powerful magnets by merging with other elements like cobalt. Samarium is also useful in imparting color to glass. Radioactive samarium is used in treatment of cancer. Samarium is used in doping calcium chloride crystals for using in optical lasers.

Samarium

Samarium Element Information:

Discovery year: 1879

Discovered by: Lecoq de Boisbaudran

Atomic number: 62

Relative atomic mass: 150.36  

Electron configuration: [Xe] 4f6 6s2

Block: f-block

Other elements in the same block:

Cerium, Praseodymium, Neodymium, Promethium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, Lutetium, Thorium, Protactinium, Uranium, Neptunium, Plutonium, Americium, Curium, Berkelium, Californium, Einsteinium, Fermium, Mendelevium, Nobelium and  Lawrencium are the elements in the same block.

Period: period 6

Other elements in the same period:

Caesium, Barium, LanthanumCerium, Praseodymium, Neodymium, Promethium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, Lutetium, Hafnium, Tantalum, Tungsten, Rhenium, Osmium, Iridium, Platinum, Gold, Mercury, Thallium, Lead, Bismuth, Polonium, Astatine and Radon

Group: Lanthanides

Other elements in the same group:

Cerium, praseodymium, Neodymium, Promethium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, Lutetium.

Other elements in the same orbital:

Lanthanum, Cerium, Praseodymium, Neodymium, Promethium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium and Lutetium are the elements in the same orbital.

Allotropes: none

Key isotopes: 152Sm 

Melting point: 1072°C, 1962°F, 1345 K

Boiling point: 1794°C, 3261°F, 2067 K

Element category:  lanthanide

Density (g cm−3): 7.52

CAS number: 7440-19-9

Color: silvery white

You can know detailed information for each element,

Hydrogen, HeliumLithiumBerylliumBoronCarbonNitrogenOxygenFluorine,  Neon , SodiumMagnesiumAluminiumSiliconPhosphorusSulfurChlorineArgon, PotassiumCalciumScandiumTitaniumVanadiumChromiumManganeseIronCobaltNickelCopperZincGalliumGermaniumArsenicSeleniumBromine, Krypton,  Rubidium, StrontiumYttriumZirconiumNiobiumMolybdenumTechnetiumRutheniumRhodiumPalladiumSilverCadmiumIndiumTinAntimonyTelluriumIodine, Xenon,  Caesium, BariumLanthanum,  CeriumPraseodymiumNeodymiumPromethiumSamariumEuropiumGadoliniumTerbiumDysprosiumHolmiumErbiumThuliumYtterbiumLutetiumHafniumTantalumTungstenRheniumOsmiumIridiumPlatinumGoldMercuryThalliumLeadBismuthPoloniumAstatine, Radon,  Francium, RadiumActiniumThoriumProtactiniumUraniumNeptuniumPlutoniumAmericiumCuriumBerkeliumCaliforniumEinsteiniumFermiumMendeleviumNobeliumLawrenciumRutherfordiumDubniumSeaborgiumBohriumHassiumMeitneriumDarmstadtiumRoentgeniumCoperniciumNihoniumFleroviumMoscoviumLivermoriumTennessine, Oganesson.

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