On this page I'll provide comprehensive data for Tantalum. I hope you profit from it.
Tantalum Overview
Name Origin
From king Tantalus of Greek mythology, father of Niobe.
Symbol
Ta (Tantalum)Description
Rare, gray, heavy, hard but ductile, metal with a high melting point.
Discovery
Discovered By: Anders Ekeberg
Year: 1802
Location: Sweden
Sources
Chiefly occurs in the mineral tantalite. Always found with niobium.
Uses
Often used as an economical substitute for platinum. Tantalum pentoxide is used in capacitors and in camera lenses to increase refracting power. It and its alloys are corrosion and wear resistant so it is used to make surgical and dental tools.
State at 20 °C
Solid
Group
Group Name: Transition MetalÂ
Group in periodic table: 5b
Period in periodic table:Â 6
Atomic Number
73Learn more about the atomic number.
Atomic Mass
180,9479
Learn more about the atomic mass.
Stable Isotopes
Ta181 percent abundance: 99.988%
Learn more about stable isotopes.
Radioactive Isotopes
Ta177-179, Ta180 percent abundance: .012%, Ta182-183
Learn more about radioactive isotopes.
Atomic Structure
Crystalline Structure
Cubic: Body centered
Learn more about crystalline structure
Shells
Electrons per energy level: 2,8,18,32,11,2
Learn more about electron shells
Electron Configuration
1s2 2s2 2p6 3s2 3p6 4 s2 3 d10 4 p6 5 s2 4 d10 5 p6 6 s2 5 d3 4 f14
Learn more about electron configuration.
Abbreviated Configuration
[Xe] 4f14 5d3 6s2
Learn more about abbreviated electron configuration.
Valence Electrons
3,5
Learn more about valence electrons
Atom Size
Atomic Radius
2.09 Ã…
Learn more about atomic radius.
Covalent Radius
1.34 Ã…
Learn more about covalent radius.
Ionic Radius
.64 (+5) Ã…
Learn more about ionic radius.
Molar Volume
10.90 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
0.14 J/gK
Learn more about specific heat.
Learn more about specific heat.
Heat of Fusion
31.60 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)
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