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Hassium vs Iridium

Hassium
Iridium
Iridium vs Hassium


Periodic Table
Symbol
Hs   
Ir   
Group Number
8   
10
9   
9
Period Number
7   
6   
Block
d block   
d block   
Element Family
Transition Metal   
Transition Metal   
CAS Number
54037579   
11
7439885   
99+
Space Group Name
Not Available   
Fm_ 3m   
Space Group Number
Not Available   
225.00   
2
Facts
Interesting Facts
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
  
Sources
Synthetically Produced   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung   
Smithson Tennant   
Discovery
In 1984   
In 1803   
Abundance
  
  
Abundance In Universe
Not Available   
2 * 10-7 %   
22
Abundance In Sun
~-9999 %   
~0.0000002 %   
25
Abundance In Meteorites
Not Available   
0.00 %   
29
Abundance In Earth's Crust
Not Available   
0.00 %   
99+
Uses
Uses & Benefits
  • Currently known uses of Hassium metal are limited to research purpose only.
  
  • Iridium has an anti corrosion properties and it is used in special alloy with Osmium metal and that alloy is used in pen tips and compass bearings.
  
Industrial Uses
NA   
Automobile Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Research Purposes   
Alloys   
Biological Properties
  
  
Toxicity
Unknown   
Toxic   
Present in Human Body
No   
Yes   
In Blood
0.00 Blood/mg dm-3   
37
Not Available   
In Bone
0.00 p.p.m.   
36
Not Available   
Physical Properties
Melting Point
Not Available   
2,410.00 °C   
7
Boiling Point
Not Available   
4,527.00 °C   
10
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silver   
Silvery White   
Luster
NA   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
6.50   
5
Brinell Hardness
Not Available   
1,670.00 MPa   
5
Vickers Hardness
Not Available   
1,760.00 MPa   
3
Speed of Sound
Not Available   
4,825.00 m/s   
13
Optical Properties
  
  
Reflectivity
Not Available   
78.00 %   
6
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
Hs   
Ir   
Isotopes
  
  
Known Isotopes
7   
31
34   
5
Electronegativity
  
  
Pauling Electronegativity
Not Available   
2.20   
4
Allred Rochow Electronegativity
Not Available   
1.55   
11
Allen Electronegativity
Not Available   
1.68   
17
Electropositivity
  
  
Pauling Electropositivity
Not Available   
1.80   
99+
Ionization Energies
  
  
1st Energy Level
733.30 kJ/mol   
26
880.00 kJ/mol   
9
2nd Energy Level
1,756.00 kJ/mol   
24
1,600.00 kJ/mol   
35
3rd Energy Level
2,827.00 kJ/mol   
36
Not Available   
4th Energy Level
3,637.50 kJ/mol   
99+
Not Available   
5th Energy Level
4,940.00 kJ/mol   
34
Not Available   
6th Energy Level
6,175.10 kJ/mol   
23
Not Available   
7th Energy level
7,535.50 kJ/mol   
21
Not Available   
8th Energy Level
8,857.40 kJ/mol   
20
Not Available   
Electrochemical Equivalent
Not Available   
1.14 g/amp-hr   
99+
Electron Work Function
Not Available   
4.55 eV   
13
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
108   
10
77   
39
Electron Configuration
[Rn] 5f14 6d6 7s2   
[Xe] 4f14 5d7 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Iridium.jpg#100   
Atom
  
  
Number of Protons
108   
10
74   
99+
Number of Neutrons
158   
6
110   
27
Number of Electrons
108   
10
74   
99+
Radius of an Atom
  
  
Atomic Radius
126.00 pm   
99+
136.00 pm   
99+
Covalent Radius
134.00 pm   
99+
141.00 pm   
99+
Van der Waals Radius
Not Available   
202.00 pm   
27
Atomic Weight
269.00 amu   
9
192.22 amu   
34
Atomic Volume
Not Available   
9.53 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Bohrium
  
Osmium
  
Next Element
Meitnerium
  
Platinum
  
Valence Electron Potential
Not Available   
140.00 (-eV)   
5
Lattice Constant
Not Available   
383.90 pm   
26
Lattice Angles
NA   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
40.70 g/cm3   
1
22.56 g/cm3   
10
Density When Liquid (at m.p.)
Not Available   
19.00 g/cm3   
3
Tensile Strength
Not Available   
2,000.00 MPa   
2
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available   
0.00 (Pa)   
25
Elasticity properties
  
  
Shear Modulus
Not Available   
210.00 GPa   
2
Bulk Modulus
Not Available   
320.00 GPa   
3
Young's Modulus
Not Available   
528.00 GPa   
1
Poisson Ratio
Not Available   
0.26   
22
Other Mechanical Properties
Unknown   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available   
21.78   
3
Magnetic Ordering
Unknown   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Unknown   
Conductor   
Resistivity
Not Available   
47.10 nΩ·m   
99+
Electrical Conductivity
Not Available   
0.19 106/cm Ω   
10
Electron Affinity
Not Available   
151.00 kJ/mol   
4
Thermal Properties
Specific Heat
Not Available   
0.13 J/(kg K)   
39
Molar Heat Capacity
Not Available   
25.10 J/mol·K   
99+
Thermal Conductivity
Not Available   
147.00 W/m·K   
10
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
6.40 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
799.10 kJ/mol   
1
Enthalpy of Fusion
Not Available   
35.23 kJ/mol   
1
Enthalpy of Atomization
Not Available   
837.00 kJ/mol   
1
Standard Molar Entropy
Not Available   
35.50 J/mol.K   
99+
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