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Hassium Rhodium Comparison

Hassium
Rhodium
Rhodium Hassium comparison


Periodic Table
Symbol
Hs   
Rh   
Group Number
8   
10
9   
9
Period Number
7   
5   
Block
d block   
d block   
Element Family
Transition Metal   
Transition Metal   
CAS Number
54037579   
11
7440166   
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.
  
  • Rhodium is the rarest element out of all non-radioactive metals on the earth .
  • Rhodium is one of the most durable and hard metal, which also have high reflectance.
  
Sources
Synthetically Produced   
Earth's crust, Found As a By-product, Found in Minerals, Mining   
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung   
William Hyde Wollaston   
Discovery
In 1984   
In 1804   
Abundance
  
  
Abundance In Universe
Not Available   
6 * 10-8 %   
26
Abundance In Sun
~-9999 %   
~0.0000002 %   
25
Abundance In Meteorites
Not Available   
0.00 %   
36
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.
  
  • Rhodium metal is mainly used in catalytic converters for cars as it reduces nitrogen oxides in exhaust gases.
  • It is used as an industrial catalyst for nitric acid, acetic acid, hydrogenation reaction, etc.
  
Industrial Uses
NA   
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Research Purposes   
Alloys   
Biological Properties
  
  
Toxicity
Unknown   
NA   
Present in Human Body
No   
No   
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   
1,966.00 °C   
12
Boiling Point
Not Available   
3,727.00 °C   
17
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silver   
Silvery White   
Luster
NA   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
6.00   
6
Brinell Hardness
Not Available   
980.00 MPa   
9
Vickers Hardness
Not Available   
1,100.00 MPa   
9
Speed of Sound
Not Available   
4,700.00 m/s   
15
Optical Properties
  
  
Reflectivity
Not Available   
84.00 %   
4
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   
Rh   
Isotopes
  
  
Known Isotopes
7   
31
16   
23
Electronegativity
  
  
Pauling Electronegativity
Not Available   
2.28   
3
Allred Rochow Electronegativity
Not Available   
1.45   
16
Allen Electronegativity
Not Available   
1.56   
24
Electropositivity
  
  
Pauling Electropositivity
Not Available   
1.72   
99+
Ionization Energies
  
  
1st Energy Level
733.30 kJ/mol   
26
719.70 kJ/mol   
29
2nd Energy Level
1,756.00 kJ/mol   
24
1,740.00 kJ/mol   
26
3rd Energy Level
2,827.00 kJ/mol   
36
2,997.00 kJ/mol   
27
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   
1.28 g/amp-hr   
99+
Electron Work Function
Not Available   
4.98 eV   
6
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Ionization, Radioactive Isotopes   
Atomic Properties
Atomic Number
108   
10
45   
99+
Electron Configuration
[Rn] 5f14 6d6 7s2   
[Kr] 4d8 5s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Rhodium.jpg#100   
Atom
  
  
Number of Protons
108   
10
45   
99+
Number of Neutrons
158   
6
58   
99+
Number of Electrons
108   
10
45   
99+
Radius of an Atom
  
  
Atomic Radius
126.00 pm   
99+
134.00 pm   
99+
Covalent Radius
134.00 pm   
99+
142.00 pm   
99+
Van der Waals Radius
Not Available   
200.00 pm   
28
Atomic Weight
269.00 amu   
9
102.91 amu   
99+
Atomic Volume
Not Available   
8.30 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Bohrium
  
Ruthenium
  
Next Element
Meitnerium
  
Palladium
  
Valence Electron Potential
Not Available   
64.00 (-eV)   
22
Lattice Constant
Not Available   
380.34 pm   
27
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
12.41 g/cm3   
28
Density When Liquid (at m.p.)
Not Available   
10.70 g/cm3   
14
Tensile Strength
Not Available   
951.00 MPa   
5
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available   
0.02 (Pa)   
19
Elasticity properties
  
  
Shear Modulus
Not Available   
150.00 GPa   
6
Bulk Modulus
Not Available   
275.00 GPa   
5
Young's Modulus
Not Available   
380.00 GPa   
5
Poisson Ratio
Not Available   
0.26   
22
Other Mechanical Properties
Unknown   
Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available   
12.41   
20
Magnetic Ordering
Unknown   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Unknown   
Conductor   
Resistivity
Not Available   
43.30 nΩ·m   
99+
Electrical Conductivity
Not Available   
0.21 106/cm Ω   
8
Electron Affinity
Not Available   
109.70 kJ/mol   
7
Thermal Properties
Specific Heat
Not Available   
0.24 J/(kg K)   
22
Molar Heat Capacity
Not Available   
24.98 J/mol·K   
99+
Thermal Conductivity
Not Available   
150.00 W/m·K   
9
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
8.20 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
495.40 kJ/mol   
12
Enthalpy of Fusion
Not Available   
21.76 kJ/mol   
10
Enthalpy of Atomization
Not Available   
556.50 kJ/mol   
12
Standard Molar Entropy
Not Available   
31.50 J/mol.K   
99+
Summary >>
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