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Seaborgium vs Technetium

Seaborgium
Technetium
Technetium vs Seaborgium


Periodic Table
Symbol
Sg   
Tc   
Group Number
6   
12
7   
11
Period Number
7   
5   
Block
d block   
d block   
Element Family
Transition Metal   
Transition Metal   
CAS Number
54038812   
9
7440268   
99+
Space Group Name
Not Available   
P63/mmc   
Space Group Number
Not Available   
194.00   
5
Facts
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.
  
  • Original name of Technetium was Masurium.
  • At the time of its discovery it found in sample of Molybdenum.
  
Sources
Synthetically Produced   
Made by Bombarding Molybdenum with Deuterons   
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory   
Emilio Segrè and Carlo Perriero   
Discovery
In 1974   
In 1937   
Abundance
  
  
Uses
Uses & Benefits
  • Currently known uses of Seaborgium metal are limited to research purpose only.
  
  • Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.
  
Industrial Uses
NA   
NA   
Medical Uses
NA   
NA   
Other Uses
Research Purposes   
Alloys, Nuclear Research, Research Purposes   
Biological Properties
  
  
Toxicity
Unknown   
Low Toxic   
Present in Human Body
No   
No   
In Blood
Not Available   
0.00 Blood/mg dm-3   
37
In Bone
Not Available   
0.00 p.p.m.   
36
Physical Properties
Melting Point
Not Available   
2,200.00 °C   
9
Boiling Point
Not Available   
4,877.00 °C   
7
Appearance
  
  
Physical State
Solid   
Solid   
Color
Unknown   
Shiny Gray   
Luster
Unknown Luster   
NA   
Hardness
  
  
Speed of Sound
Not Available   
16,200.00 m/s   
1
Optical Properties
  
  
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Sg   
Tc   
Isotopes
  
  
Known Isotopes
9   
29
18   
21
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.90   
11
Allred Rochow Electronegativity
Not Available   
1.36   
20
Allen Electronegativity
Not Available   
1.51   
28
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.10   
99+
Ionization Energies
  
  
1st Energy Level
757.40 kJ/mol   
21
702.00 kJ/mol   
36
2nd Energy Level
1,732.90 kJ/mol   
28
1,470.00 kJ/mol   
99+
3rd Energy Level
2,483.50 kJ/mol   
99+
2,850.00 kJ/mol   
33
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   
0.52 g/amp-hr   
99+
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
NA   
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Atomic Properties
Atomic Number
106   
12
43   
99+
Electron Configuration
[Rn] 5f14 6d2 7s2   
[Kr] 4d5 5s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Technetium.jpg#100   
Atom
  
  
Number of Protons
106   
12
43   
99+
Number of Neutrons
157   
7
55   
99+
Number of Electrons
106   
12
43   
99+
Radius of an Atom
  
  
Atomic Radius
132.00 pm   
99+
136.00 pm   
99+
Covalent Radius
143.00 pm   
99+
147.00 pm   
37
Van der Waals Radius
Not Available   
200.00 pm   
28
Atomic Weight
269.00 amu   
9
98.00 amu   
99+
Atomic Volume
Not Available   
8.50 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Dubnium
  
Molybdenum
  
Next Element
Bohrium
  
Ruthenium
  
Valence Electron Potential
Not Available   
180.00 (-eV)   
3
Lattice Constant
Not Available   
273.50 pm   
99+
Lattice Angles
Unknown   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.60   
5
Mechanical Properties
Density
  
  
Density At Room Temperature
35.00 g/cm3   
4
11.00 g/cm3   
34
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Elasticity properties
  
  
Poisson Ratio
Not Available   
Not Available   
Other Mechanical Properties
Unknown   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available   
11.50   
24
Magnetic Ordering
Unknown   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Unknown   
Conductor   
Resistivity
Not Available   
200.00 nΩ·m   
18
Electrical Conductivity
Not Available   
0.07 106/cm Ω   
30
Electron Affinity
Not Available   
53.00 kJ/mol   
18
Thermal Properties
Specific Heat
Not Available   
0.21 J/(kg K)   
29
Molar Heat Capacity
Not Available   
24.27 J/mol·K   
99+
Thermal Conductivity
Not Available   
50.60 W/m·K   
30
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
7.10 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
660.00 kJ/mol   
6
Enthalpy of Fusion
Not Available   
23.01 kJ/mol   
9
Enthalpy of Atomization
Not Available   
649.00 kJ/mol   
8
Standard Molar Entropy
Not Available   
181.10 J/mol.K   
2
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