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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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