Physical and chemical properties of Tellurium

Atomic Number:52
Element Symbol:Te
Element Name:Tellurium
Atomic Weight:127.60
Group Number:16
Group Name:Chalcogen
Period Number:5
Block:p-block
Ground State Configuration:[Kr] 4d10 5s2 5p4
Ground State Level:3P2
Standard State:Solid
Common Valences:2,4,6
Bond Length:286.4
Atomic Radius Empirical:140
Atomic Radius Calculated:123
Covalent Radius Empirical:135
Vander Waals Radius:206
Electron Affinity:190.2
First Ionization Energy:869.3
Pauling Electronegativity:2.1
Sanderson Electronegativity:2.62
Allred Rochow Electronegativity:2.01
Mulliken Jaffe Electronegativity:2.41
Allen Electronegativity:2.158
Density Of Solid:6240
Molar Volume:20.46
Velocity Of Sound:2610
Youngs Modulus:43
Rigidity Modulus:16
Bulk Modulus:65
Mineral Hardness:2.25
Brinell Hardness:180
Electrical Resistivity:about 10000
Reflectivity:50
Refractive Index:1.000991
Melting Point:449.51
Boiling Point:988
Thermal Conductivity:3
Enthalpy Of Fusion:17.5
Enthalpy Of Vaporization:48
Enthalpy Of Atmization:197
Most Common Oxidation Numbers:6,4,2,-2
Color:Silvery lustrous grey
Classification:Semi-metallic
Discovered By:Franz Joseph Muller von Reichstein
Discovered At:Romania
Discovered When:1783
Origin Of Name:From the Latin word tellus meaning earth

Calculate the molecular weight of Tellurium or molecular weight Te.

Also see the full list of chemical elements and atomic weights.




Compounds that contain Tellurium