The Element Samarium

What is Samarium? Element Properties & Periodic Table Info

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What is the element Samarium as on the Periodic Table?

Definition of the Samarium Element
A silvery or pale gray metallic rare-earth element found in monazite and bastnaesite and used as a dopant for laser materials, in infrared absorbing glass, and as a neutron absorber in certain nuclear reactors. Samarium is relatively stable at room temperature in dry air, but it ignites when heated above 150 C and forms an oxide coating in moist air. The Atomic Number of this element is 62 and the Element Symbol is Sm.

Origin / Meaning of the name Samarium
It was named after a Russian mine official called Colonel Samarski.

 

Periodic Table Group and Classification of the of the Samarium Element
Elements can be classified based on their physical states (States of Matter) e.g. gas, solid or liquid. This element is a solid. Samarium
is classified as an element in the Lanthanide series as one of the "Rare Earth Elements" which can located in Group 3 elements of the Periodic Table and in the 6th and 7th periods. The Rare Earth Elements are divided into the Lanthanide and Actinide series. The elements in the Lanthanide series closely resemble lanthanum, and one another, in their chemical and physical properties. Their compounds are used as catalysts in the production of petroleum and synthetic products. Nearly 75% of all the elements in the Periodic Table are classified as metals which are detailed in the List of Metals.

Facts about the Discovery and History of the Samarium Element
Samarium was discovered by Jean Charles Galissard de Marignac in Switzerland in 1853. It was isolated in France in 1879 by the French chemist Paul Emile Lecoq de Boisbaudran.

History of the Periodic Table
Check out the brief History of the Periodic Table which details dates and the names of famous scientists and chemists who contributed to the development of the Periodic Table.

Occurrence of the Samarium Element
Found in monazite and bastnaesite

Abundances of the element in different environments
%
in Universe 510-7%
% in Sun 110-7%
% in Meteorites 0.000017%
% in Earth's Crust 0.0006%
% in Oceans 4.510-11%
% in Humans N/A

Associated Uses of Samarium
Carbon-arc lighting
Neutron absorber in nuclear reactors
Optical lasers
Headphones

Sm

The Properties of the Samarium Element
Symbol: Sm
Atomic Number: 62
Atomic Mass: 150.36 amu
Melting Point: 1072.0 C - 1345.15 K
Boiling Point: 1900.0 C - 2173.15 K
Number of Protons/Electrons: 62
Number of Neutrons: 88
Crystal Structure: Rhombohedral
Density @ 293 K: 7.54 g/cm3
Color: silver

The Properties of the Samarium Element
Name of Element : Samarium
Symbol: Sm
Atomic Number: 62
Atomic Mass: 150.36 amu
Melting Point: 1072.0 C - 1345.15 K
Boiling Point: 1900.0 C - 2173.15 K
Number of Protons/Electrons: 62
Number of Neutrons: 88
Crystal Structure: Rhombohedral
Density @ 293 K: 7.54 g/cm3
Color: silver

Samarium as on the Periodic Table
Check out Samarium on the Periodic Table which arranges each chemical element according to its atomic number, as based on the
Periodic Law, so that chemical elements with similar properties are in the same column. Our Periodic Table is simple to use - just click on the symbol for Samarium as on the Periodic Table for additional information and for an instant comparison of the Atomic Weight, Melting Point, Boiling Point and Mass - G/cc with any other element. An invaluable source of facts and information as a Chemistry reference guide.

What is Samarium - IUPAC and the Modern Standardised Periodic Table
The Standardised Periodic Table in use today was agreed by the International Union of Pure Applied Chemistry, IUPAC, in 1985 and now recognises more periods and elements than Dimitri  Mendeleev knew in his day in his day but still all fitting into his concept of  the "Periodic Table" in which Samarium is just one element that can be found.

Learn about what is Samarium with these fast facts...
These articles contain facts and information relating to Samarium and each of the other elements including the Periodic Symbol,  group, classification, properties and atomic number which is often referred to as the Periodic Table Number. Test your knowledge of chemistry and the Periodic Table by completing the Element Symbols and Atomic Numbers on our Blank Periodic Table. Chemistry students will also find a helpful section on Chemical Formulas.

What is the Element Samarium

The Elements are the building blocks of Modern Science & Chemistry


 

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