The Element Tellurium

What is Tellurium? Element Properties & Periodic Table Info

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What is the element Tellurium as on the Periodic Table?

 Definition of the Tellurium Element
A brittle, silvery-white metallic element usually found in combination with
Gold and other metals. When burned in air tellurium has a greenish-blue flame and forms tellurium dioxide as a result.

Tellurium is unaffected by water or hydrochloric acid, but dissolves in nitric acid. It is produced commercially as a by-product of the electrolytic refining of Copper and used to alloy stainless steel and Lead, in ceramics, and, in the form of bismuth telluride, in thermoelectric devices. The Atomic Number of this element is 52 and the Element Symbol is Te.

 

Origin / Meaning of the name Tellurium
The name originates from the Greek word 'tellus' meaning Earth

Periodic Table Group and Classification of the of the Tellurium Element
Elements can be classified based on their physical states (States of Matter) e.g. gas, solid or liquid. This element is a solid. Tellurium is classified as a "Metalloid" element and is located in Groups 13, 14,15, 16 and 17 of the Periodic Table. An element classified as one of the Metalloids has the properties of both metals and Non-Metals. Some are semi-conductors and can carry an electrical charge making them useful in calculators and computers.

Facts about the Discovery and History of the Tellurium Element
Tellurium was discovered by Franz-Joseph Muller von Reichenstein in 1782 in Romania. It was isolated by Martin Heinrich Klaproth in 1798.

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 Tellurium Element
Obtained from a by-product of refining of lead and copper
Principal source of tellurium is from anode msds

Abundances of the element in different environments
% in Universe 910-7%
% in Sun N/A
% in Meteorites 0.00021%
% in Earth's Crust 9.910-8%
% in Oceans N/A
% in Humans N/A

Associated Uses of Tellurium
Ceramics
Bismuth telluride
Thermoelectric devices
Coloring of glass
Msds tellurium dioxide

Te

The Properties of the Tellurium Element
Symbol of Element : Te
Atomic Number: 52
Atomic Mass: 127.6 amu
Melting Point: 449.5 C - 722.65 K
Boiling Point:  989.8 C - 1262.95 K
Number of Protons/Electrons: 52
Number of Neutrons : 76
Crystal Structure: Hexagonal
Density @ 293 K: 6.24 g/cm3
Color:
silvery-white

The Properties of the Tellurium Element
Name of Element : Tellurium
Symbol of Element : Te
Atomic Number of Tellurium : 52
Atomic Mass: 127.6 amu
Melting Point: 449.5 C - 722.65 K
Boiling Point:  989.8 C - 1262.95 K
Number of Protons/Electrons in Tellurium : 52
Number of Neutrons in Tellurium : 76
Crystal Structure: Hexagonal
Density @ 293 K: 6.24 g/cm3
Color of Tellurium :
silvery-white

Tellurium as on the Periodic Table
Check out Tellurium 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 Tellurium 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.

Other elements classified as Metalloids
The other elements contained in the classification of Metalloids are as follows:

  • Boron
  • Silicon
  • Germanium
  • Arsenic
  • Antimony
  • Polonium

What is Tellurium - 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 Tellurium is just one element that can be found.

Learn about what is Tellurium with these fast facts...
These articles contain facts and information relating to Tellurium 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 Tellurium

The Elements are the building blocks of Modern Science & Chemistry


 

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