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Ruthenium vs Hassium

Ruthenium
Hassium
Hassium vs Ruthenium


Periodic Table
Symbol
Ru  
Hs  
Group Number
8  
10
8  
10
Period Number
5  
7  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7440188  
99+
54037579  
11
Space Group Name
P63/mmc  
Not Available  
Space Group Number
194.00  
5
Not Available  
Facts
Interesting Facts
  • Ruthenium element has been extracted from used nuclear fuel.
  • Ruthenium metal also produces as a by-product of the Nickel mining.
  
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
Sources
By-product of Nickel Refining, Found in Minerals, Mining  
Synthetically Produced  
History
  
  
Who Discovered
Karl Ernst Claus  
Gesellschaft für Schwerionenforschung  
Discovery
In 1844  
In 1984  
Abundance
  
  
Abundance In Universe
4 * 10-7 %  
20
Not Available  
Abundance In Sun
~0.0000005 %  
22
~-9999 %  
Abundance In Meteorites
0.00 %  
26
Not Available  
Abundance In Earth's Crust
0.00 %  
99+
Not Available  
Abundance In Oceans
0.00 %  
38
Not Available  
Uses
Uses & Benefits
  • It is used for producing chip resistors and contact.
  • Ruthenium oxide is used to coat the anodes cells for chlorine production in chemical industry. It also works as catalysts for ammonia and acetic acid reaction.
  
  • Currently known uses of Hassium metal are limited to research purpose only.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
NA  
Medical Uses
Medical Research  
NA  
Other Uses
Alloys  
Research Purposes  
Biological Properties
  
  
Toxicity
Low Toxic  
Unknown  
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
2,250.00 °C  
8
Not Available  
Boiling Point
3,900.00 °C  
14
Not Available  
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silver  
Luster
Metallic  
NA  
Hardness
  
  
Mohs Hardness
6.50  
5
Not Available  
Brinell Hardness
2,160.00 MPa  
3
Not Available  
Speed of Sound
5,970.00 m/s  
4
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
Ru  
Hs  
Isotopes
  
  
Known Isotopes
26  
13
7  
31
Electronegativity
  
  
Pauling Electronegativity
2.20  
4
Not Available  
Allred Rochow Electronegativity
1.42  
18
Not Available  
Allen Electronegativity
1.54  
25
Not Available  
Electropositivity
  
  
Pauling Electropositivity
1.80  
99+
Not Available  
Ionization Energies
  
  
1st Energy Level
710.20 kJ/mol  
32
733.30 kJ/mol  
26
2nd Energy Level
710.22 kJ/mol  
99+
1,756.00 kJ/mol  
24
3rd Energy Level
2,747.00 kJ/mol  
37
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
1.26 g/amp-hr  
99+
Not Available  
Electron Work Function
4.71 eV  
9
Not Available  
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic Properties
Atomic Number
44  
99+
108  
10
Electron Configuration
[Kr] 4d7 5s1  
[Rn] 5f14 6d6 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
rystal-Structure-of-Ruthenium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
44  
99+
108  
10
Number of Neutrons
57  
99+
158  
6
Number of Electrons
44  
99+
108  
10
Radius of an Atom
  
  
Atomic Radius
134.00 pm  
99+
126.00 pm  
99+
Covalent Radius
146.00 pm  
38
134.00 pm  
99+
Van der Waals Radius
200.00 pm  
28
Not Available  
Atomic Weight
101.07 amu  
99+
269.00 amu  
9
Atomic Volume
8.30 cm3/mol  
99+
Not Available  
Adjacent Atomic Numbers
  
  
Previous Element
Technetium
  
Bohrium
  
Next Element
Rhodium
  
Meitnerium
  
Valence Electron Potential
64.00 (-eV)  
22
Not Available  
Lattice Constant
270.59 pm  
99+
Not Available  
Lattice Angles
π/2, π/2, 2 π/3  
NA  
Lattice C/A Ratio
1.58  
11
Not Available  
Mechanical Properties
Density
  
  
Density At Room Temperature
12.45 g/cm3  
27
40.70 g/cm3  
1
Density When Liquid (at m.p.)
10.65 g/cm3  
16
Not Available  
Tensile Strength
Not Available  
Not Available  
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.00 (Pa)  
23
Not Available  
Elasticity properties
  
  
Shear Modulus
173.00 GPa  
4
Not Available  
Bulk Modulus
220.00 GPa  
7
Not Available  
Young's Modulus
447.00 GPa  
3
Not Available  
Poisson Ratio
0.30  
14
Not Available  
Other Mechanical Properties
Ductile, Malleable  
Unknown  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
12.45  
19
Not Available  
Magnetic Ordering
Paramagnetic  
Unknown  
Electrical Properties
  
  
Electrical Property
Conductor  
Unknown  
Resistivity
71.00 nΩ·m  
38
Not Available  
Electrical Conductivity
0.14 106/cm Ω  
16
Not Available  
Electron Affinity
101.30 kJ/mol  
10
Not Available  
Thermal Properties
Specific Heat
0.24 J/(kg K)  
24
Not Available  
Molar Heat Capacity
24.06 J/mol·K  
99+
Not Available  
Thermal Conductivity
117.00 W/m·K  
13
Not Available  
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
6.40 µm/(m·K)  
99+
Not Available  
Enthalpy
  
  
Enthalpy of Vaporization
567.80 kJ/mol  
10
Not Available  
Enthalpy of Fusion
25.50 kJ/mol  
7
Not Available  
Enthalpy of Atomization
603.00 kJ/mol  
9
Not Available  
Standard Molar Entropy
28.50 J/mol.K  
99+
Not Available  
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