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Technetium vs Hassium

Technetium
Hassium
Hassium vs Technetium


Periodic Table
Symbol
Tc   
Hs   
Group Number
7   
11
8   
10
Period Number
5   
7   
Block
d block   
d block   
Element Family
Transition Metal   
Transition Metal   
CAS Number
7440268   
99+
54037579   
11
Space Group Name
P63/mmc   
Not Available   
Space Group Number
194.00   
5
Not Available   
Facts
Interesting Facts
  • Original name of Technetium was Masurium.
  • At the time of its discovery it found in sample of Molybdenum.
  
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
Sources
Made by Bombarding Molybdenum with Deuterons   
Synthetically Produced   
History
  
  
Who Discovered
Emilio Segrè and Carlo Perriero   
Gesellschaft für Schwerionenforschung   
Discovery
In 1937   
In 1984   
Abundance
  
  
Uses
Uses & Benefits
  • Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.
  
  • Currently known uses of Hassium metal are limited to research purpose only.
  
Industrial Uses
NA   
NA   
Medical Uses
NA   
NA   
Other Uses
Alloys, Nuclear Research, Research Purposes   
Research Purposes   
Biological Properties
  
  
Toxicity
Low Toxic   
Unknown   
Present in Human Body
No   
No   
In Blood
0.00 Blood/mg dm-3   
37
0.00 Blood/mg dm-3   
37
In Bone
0.00 p.p.m.   
36
0.00 p.p.m.   
36
Physical Properties
Melting Point
2,200.00 °C   
9
Not Available   
Boiling Point
4,877.00 °C   
7
Not Available   
Appearance
  
  
Physical State
Solid   
Solid   
Color
Shiny Gray   
Silver   
Luster
NA   
NA   
Hardness
  
  
Speed of Sound
16,200.00 m/s   
1
Not Available   
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
Tc   
Hs   
Isotopes
  
  
Known Isotopes
18   
21
7   
31
Electronegativity
  
  
Pauling Electronegativity
1.90   
11
Not Available   
Allred Rochow Electronegativity
1.36   
20
Not Available   
Allen Electronegativity
1.51   
28
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.10   
99+
Not Available   
Ionization Energies
  
  
1st Energy Level
702.00 kJ/mol   
36
733.30 kJ/mol   
26
2nd Energy Level
1,470.00 kJ/mol   
99+
1,756.00 kJ/mol   
24
3rd Energy Level
2,850.00 kJ/mol   
33
2,827.00 kJ/mol   
36
4th Energy Level
Not Available   
3,637.50 kJ/mol   
99+
5th Energy Level
Not Available   
4,940.00 kJ/mol   
34
6th Energy Level
Not Available   
6,175.10 kJ/mol   
23
7th Energy level
Not Available   
7,535.50 kJ/mol   
21
8th Energy Level
Not Available   
8,857.40 kJ/mol   
20
Electrochemical Equivalent
0.52 g/amp-hr   
99+
Not Available   
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
43   
99+
108   
10
Electron Configuration
[Kr] 4d5 5s2   
[Rn] 5f14 6d6 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Technetium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
43   
99+
108   
10
Number of Neutrons
55   
99+
158   
6
Number of Electrons
43   
99+
108   
10
Radius of an Atom
  
  
Atomic Radius
136.00 pm   
99+
126.00 pm   
99+
Covalent Radius
147.00 pm   
37
134.00 pm   
99+
Van der Waals Radius
200.00 pm   
28
Not Available   
Atomic Weight
98.00 amu   
99+
269.00 amu   
9
Atomic Volume
8.50 cm3/mol   
99+
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Molybdenum
  
Bohrium
  
Next Element
Ruthenium
  
Meitnerium
  
Valence Electron Potential
180.00 (-eV)   
3
Not Available   
Lattice Constant
273.50 pm   
99+
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.60   
5
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
11.00 g/cm3   
34
40.70 g/cm3   
1
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Elasticity properties
  
  
Poisson Ratio
Not Available   
Not Available   
Other Mechanical Properties
NA   
Unknown   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
11.50   
24
Not Available   
Magnetic Ordering
Paramagnetic   
Unknown   
Electrical Properties
  
  
Electrical Property
Conductor   
Unknown   
Resistivity
200.00 nΩ·m   
18
Not Available   
Electrical Conductivity
0.07 106/cm Ω   
30
Not Available   
Electron Affinity
53.00 kJ/mol   
18
Not Available   
Thermal Properties
Specific Heat
0.21 J/(kg K)   
29
Not Available   
Molar Heat Capacity
24.27 J/mol·K   
99+
Not Available   
Thermal Conductivity
50.60 W/m·K   
30
Not Available   
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
7.10 µm/(m·K)   
99+
Not Available   
Enthalpy
  
  
Enthalpy of Vaporization
660.00 kJ/mol   
6
Not Available   
Enthalpy of Fusion
23.01 kJ/mol   
9
Not Available   
Enthalpy of Atomization
649.00 kJ/mol   
8
Not Available   
Standard Molar Entropy
181.10 J/mol.K   
2
Not Available   
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