›› Physical and chemical properties of Technetium

Atomic Number:43
Element Symbol:Tc
Element Name:Technetium
Atomic Weight:98
Group Number:7
Group Name:none
Period Number:5
Block:d-block
Ground State Configuration:[Kr] 4d5 5s2
Ground State Level:6S5/2
Standard State:Artificially prepared
Bond Length:270.3
Atomic Radius Empirical:135
Atomic Radius Calculated:183
Covalent Radius Empirical:156
Electron Affinity:53
First Ionization Energy:702
Pauling Electronegativity:1.9
Allred Rochow Electronegativity:1.36
Density Of Solid:11500
Molar Volume:8.63
Electrical Resistivity:20
Melting Point:2157
Boiling Point:4265
Superconduction Temperature:-265.3
Thermal Conductivity:51
Enthalpy Of Fusion:23
Enthalpy Of Vaporization:550
Enthalpy Of Atmization:661
Most Common Oxidation Numbers:7,4
Color:Silvery grey metallic
Classification:Metallic
Discovered By:Carlo Perrier, Emilio Segre
Discovered At:Italy
Discovered When:1937
Origin Of Name:From the Greek word technikos meaning artificial

Calculate the molecular weight of Technetium or molecular weight Tc.

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


››Compounds that contain Technetium

Magnesium Technetate  Mg(TcO4)2
Technetium(IV) Bromide  TcBr4
Technetium(IV) Chloride  TcCl4
Technetium(VI) Chloride  TcCl6
Technetium(V) Fluoride  TcF5
Technetium(VI) Fluoride  TcF6
Technetium(IV) Oxide  TcO2
Technetium(IV) Sulfide  TcS2
Technetium(VII) Oxide  Tc2O7