On this page I'll provide comprehensive data for Technetium. I hope you profit from it.
Technetium Overview
Name Origin
Greek: technêtos (artificial).
Symbol
Tc (Technetium)Description
Silvery-gray metal. First synthetically produced element.
Discovery
Discovered By: Carlo Perrier, Émillo Segrè
Year: 1937
Location: Italy
Sources
Made first by bombarding molybdenum with deuterons (heavy hydrogen) in a cyclotron.
Uses
Added to iron in quantities as low as 55 part-per-million transforms the iron into a corrosion-resistant alloy.
State at 20 °C
Solid
Group
Group Name: Transition MetalÂ
Group in periodic table: 7b
Period in periodic table:Â 5
Atomic Number
43Learn more about the atomic number.
Atomic Mass
-97,9072
Learn more about the atomic mass.
Stable Isotopes
none
Learn more about stable isotopes.
Radioactive Isotopes
Tc93-99
Learn more about radioactive isotopes.
Atomic Structure
Crystalline Structure
Hexagonal
Learn more about crystalline structure
Shells
Electrons per energy level: 2,8,18,13,2
Learn more about electron shells
Electron Configuration
1s2 2s2 2p6 3s2 3p6 4 s2 3 d10 4 p6 5 s2 4 d5
Learn more about electron configuration.
Abbreviated Configuration
[Kr] 4d5 5s2
Learn more about abbreviated electron configuration.
Valence Electrons
0,2,4,5,6,7
Learn more about valence electrons
Atom Size
Atomic Radius
1.95 Ã…
Learn more about atomic radius.
Covalent Radius
1.27 Ã…
Learn more about covalent radius.
Ionic Radius
--
Learn more about ionic radius.
Molar Volume
08.5 cm³/mol
Learn more about molar volume.
Chemical Properties
Common Oxidation States
First Ionization Energy
First Ionization Potential
Second Ionization Potential
Third Ionization Potential
Physical Properties
Density
Electrical Conductivity
Thermal Conductivity
Elastic Modulus
Coefficient of Thermal Expansion
Learn more about coefficient of thermal expansion.
Heat Properties
Other heat related physical properties:
Melting Point
Boiling Point
Specific Heat
0.21 J/gK
Learn more about specific heat.
Learn more about specific heat.
Heat of Fusion
24.0 kJ/mol
Learn more about heat of fusion.
Heat of Vaporization
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Along with basic element information, it also comes with color coded info about: State (Gas, Liquid or Solid at room temperature), Groups/series details and much more...
How about an incentive to share this post? (You will help other colleagues find this blog)
Download and enjoy this complete and colored periodic table for you to edit and enjoy. It's in an editable excel format or .ods (open).
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[Download open .ods format ##download##][/lock]
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