Symbol
Sg
  
Ta
  
Period Number
7
  
6
  
Block
d block
  
d block
  
Element Family
Transition Metal
  
Transition Metal
  
Space Group Name
Not Available
  
Im_ 3m
  
Space Group Number
Not Available
  
Interesting Facts
- Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
- And other isotopes of Seaborgium have half-lives as short as 3 ms.
  
- Tantalum metal is known as corrosion resistance.
- Tantalum metal can easily fabricated and It is a good conductor of heat and electricity.
  
Sources
Synthetically Produced
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory
  
Anders Gustaf Ekeberg
  
Discovery
In 1974
  
In 1802
  
Abundance
  
  
Abundance In Universe
Not Available
  
Abundance In Meteorites
Not Available
  
Abundance In Earth's Crust
Not Available
  
Abundance In Oceans
Not Available
  
Uses & Benefits
- Currently known uses of Seaborgium metal are limited to research purpose only.
  
- Tantalum metal is mainly used in the manufacturing of electron components. Its Oxide layer acts as an insulator.
- Tantalum metal is also used in surgical transplant like replacement of bone, skull plates and as a woven gauze.
  
Industrial Uses
NA
  
Electrical Industry, Electronic Industry
  
Medical Uses
NA
  
NA
  
Other Uses
Research Purposes
  
Alloys
  
Biological Properties
  
  
Toxicity
Unknown
  
Low Toxic
  
Present in Human Body
No
  
Yes
  
In Bone
Not Available
  
0.03 p.p.m.
  
28
Melting Point
Not Available
  
Boiling Point
Not Available
  
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Unknown
  
Gray Blue
  
Luster
Unknown Luster
  
Metallic
  
Hardness
  
  
Mohs Hardness
Not Available
  
Brinell Hardness
Not Available
  
Vickers Hardness
Not Available
  
Speed of Sound
Not Available
  
3,400.00 m/s
  
22
Optical Properties
  
  
Reflectivity
Not Available
  
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available
  
Chemical Formula
Sg
  
Ta
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Not Available
  
Allred Rochow Electronegativity
Not Available
  
Allen Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
Not Available
  
Ionization Energies
  
  
1st Energy Level
757.40 kJ/mol
  
21
761.00 kJ/mol
  
18
2nd Energy Level
1,732.90 kJ/mol
  
28
1,500.00 kJ/mol
  
40
3rd Energy Level
2,483.50 kJ/mol
  
99+
Not Available
  
4th Energy Level
3,415.60 kJ/mol
  
99+
Not Available
  
5th Energy Level
4,561.80 kJ/mol
  
38
Not Available
  
6th Energy Level
5,715.80 kJ/mol
  
25
Not Available
  
Electrochemical Equivalent
Not Available
  
1.35 g/amp-hr
  
99+
Electron Work Function
Not Available
  
Other Chemical Properties
NA
  
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
  
Electron Configuration
[Rn] 5f14 6d2 7s2
  
[Xe] 4f14 5d3 6s2
  
Crystal Structure
Body Centered Cubic (BCC)
  
Body Centered Cubic (BCC)
  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
  
BCC-Crystal-Structure-.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Van der Waals Radius
Not Available
  
Atomic Volume
Not Available
  
10.90 cm3/mol
  
99+
Adjacent Atomic Numbers
  
  
Valence Electron Potential
Not Available
  
110.00 (-eV)
  
7
Lattice Constant
Not Available
  
Lattice Angles
Unknown
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available
  
Not Available
  
Density
  
  
Density At Room Temperature
16.69 g/cm3
  
18
Density When Liquid (at m.p.)
Not Available
  
Tensile Strength
Not Available
  
Not Available
  
Viscosity
Not Available
  
Not Available
  
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available
  
Elasticity properties
  
  
Shear Modulus
Not Available
  
Bulk Modulus
Not Available
  
Young's Modulus
Not Available
  
Poisson Ratio
Not Available
  
Other Mechanical Properties
Unknown
  
Ductile
  
Magnetic Characteristics
  
  
Specific Gravity
Not Available
  
Magnetic Ordering
Unknown
  
Paramagnetic
  
Electrical Properties
  
  
Electrical Property
Unknown
  
Conductor
  
Resistivity
Not Available
  
131.00 nΩ·m
  
25
Electrical Conductivity
Not Available
  
0.08 10
6/cm Ω
  
27
Electron Affinity
Not Available
  
31.00 kJ/mol
  
29
Specific Heat
Not Available
  
0.14 J/(kg K)
  
37
Molar Heat Capacity
Not Available
  
25.36 J/mol·K
  
99+
Thermal Conductivity
Not Available
  
57.50 W/m·K
  
27
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
Not Available
  
6.30 µm/(m·K)
  
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
753.10 kJ/mol
  
2
Enthalpy of Fusion
Not Available
  
31.40 kJ/mol
  
3
Enthalpy of Atomization
Not Available
  
782.00 kJ/mol
  
3
Standard Molar Entropy
Not Available
  
41.50 J/mol.K
  
37