Tellurium element (Te) is in group 16 and period 5 of a periodic table. Tellurium is in the p-block and it is classified as a metalloid on the periodic table.
There is a lot more information related to tellurium which is mentioned in the Information Table given below.
So let’s dive right into it!
Table of contents
- Tellurium element (Information Table)
- Tellurium element in Periodic table
- Facts about Tellurium
- Properties of Tellurium
- Uses of Tellurium
Tellurium Element (Information Table)
The important data related to tellurium element is given in the table below.
|Appearance of tellurium||Crystalline form: Silvery gray lustrous surface |
Amorphous form: Brown-black powder
|Atomic number of tellurium||52|
|Symbol of tellurium||Te|
|Atomic mass of tellurium||127.6 u|
|Protons, Neutrons & Electrons in tellurium||Protons: 52, Neutrons: 76, Electrons: 52|
|State of tellurium (at STP)||Solid|
|Group number of tellurium in periodic table||16|
|Period number of tellurium in periodic table||5|
|Block of tellurium in periodic table||p-block|
|Category of tellurium||Metalloids|
|Bohr model or Electrons per shell or Electrons arrangement in tellurium||2, 8, 18, 18, 6|
|Electron configuration of tellurium||[Kr] 4d10 5s2 5p4|
|Orbital diagram of tellurium|
|Valence electrons in tellurium||6|
|Electronegativity of tellurium (on pauling scale)||2.1|
|Atomic radius of tellurium (van der Waals radius)||206 picometers|
|Density of tellurium||6.24 g/cm3|
|1st ionization energy of tellurium||9.01 eV|
|Main isotope of tellurium||130Te|
|Melting point of tellurium||722.6 K or 449.5 °C or 841.1 °F|
|Boiling point of tellurium||1261 K or 988 °C or 1810 °F|
|Crystal structure of tellurium||Hexagonal|
|Discovery of tellurium||By Franz-Joseph Müller von Reichenstein in 1782|
Also see: Interactive Periodic Table (It has rotating bohr models as well as many other details of all the 118 elements in a single periodic table).
Tellurium element in Periodic table
The Tellurium element (Te) has the atomic number 52 and is located in group 16 and period 5. Tellurium is a metalloid and it is classified as a chalcogens element.
Facts about tellurium
Here are a few interesting facts about tellurium element.
- Tellurium was named after a Latin word “Tellus” which means earth.
- Tellurium was discovered by Franz-Joseph Müller von Reichenstein in 1782.
- Most of the tellurium is produced by China and because of this, China ranks #1 for the production of tellurium.
- Tellurium is found in a mineral form along with gold and other metals.
- Tellurium shows few properties of metals and few properties of nonmetals.
Properties of tellurium
Here is a list of some physical properties and chemical properties of tellurium.
Physical properties of tellurium
- Tellurium is a metalloid having a silvery white luster.
- There are many isotopes of tellurium, and out of these isotopes, the most abundant isotope is 130Te (it has an abundance of around 34%).
- Tellurium has hexagonal crystal structure.
- The melting point and boiling point of tellurium is 722.6 K and 1261 K respectively.
- The density of tellurium is 6.24 g/cm3 and its atomic mass is 127.6 u.
Chemical properties of tellurium
- At higher temperatures, tellurium reacts with oxygen and forms Tellurium oxide.
- Tellurium produces a greenish-blue flame when it is heated in the presence of air.
- Tellurium has an electronegativity of 2.1 on the pauling scale.
- The common oxidation states of tellurium are +4 and +5.
Uses of tellurium
Here are some uses of the tellurium element.
- Tellurium is added to metals like steel and copper. Because of this, the machinability of these metals can be improved.
- The strength and corrosive resistance property of lead can be improved by adding tellurium to it.
- Tellurium metal is also used in ceramics as well as in some castings.
- Some superconductors also contain tellurium metal in it.
- Tellurium is also used in solar panels.