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Bohrium vs Ruthenium

Bohrium
Ruthenium
Ruthenium vs Bohrium


Periodic Table
Symbol
Bh  
Ru  
Group Number
7  
11
8  
10
Period Number
7  
5  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
54037148  
12
7440188  
99+
Space Group Name
-  
P63/mmc  
Space Group Number
276.00  
1
194.00  
7
Facts
Interesting Facts
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
  
  • Ruthenium element has been extracted from used nuclear fuel.
  • Ruthenium metal also produces as a by-product of the Nickel mining.
  
Sources
Found in Minerals, Mining, Synthetically Produced  
By-product of Nickel Refining, Found in Minerals, Mining  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Karl Ernst Claus  
Discovery
In 1981  
In 1844  
Abundance
  
  
Abundance In Universe
0.00 %  
37
0.00 %  
21
Abundance In Sun
-  
0.00 %  
22
Abundance In Meteorites
0.00 %  
99+
0.00 %  
26
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
99+
Abundance In Oceans
-  
0.00 %  
38
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Bohrium metal are limited to research purpose only.
  
  • 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.
  
Industrial Uses
-  
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
Medical Research  
Other Uses
Research Purposes  
Alloys  
Biological Properties
  
  
Toxicity
-  
Low Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
37
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
-  
2,250.00 °C  
8
Boiling Point
0.00 °C  
99+
3,900.00 °C  
14
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery White  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
7.00  
3
6.50  
5
Brinell Hardness
270.00 MPa  
99+
2,160.00 MPa  
3
Vickers Hardness
2,700.00 MPa  
4
1,160.00 MPa  
14
Speed of Sound
2,680.00 m/s  
99+
5,970.00 m/s  
7
Optical Properties
  
  
Refractive Index
1.50  
36
2.60  
4
Reflectivity
59.00 %  
24
6.00 %  
38
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Bh  
Ru  
Isotopes
  
  
Known Isotopes
5  
32
26  
13
Electronegativity
  
  
Pauling Electronegativity
2.00  
8
2.20  
5
Sanderson Electronegativity
1.30  
25
2.20  
8
Allred Rochow Electronegativity
1.30  
25
1.42  
19
Mulliken-Jaffe Electronegativity
1.30  
33
2.20  
6
Allen Electronegativity
2.00  
6
1.54  
28
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
1.80  
99+
Ionization Energies
  
  
1st Energy Level
742.90 kJ/mol  
23
710.20 kJ/mol  
32
2nd Energy Level
1,688.50 kJ/mol  
31
710.22 kJ/mol  
99+
3rd Energy Level
2,566.50 kJ/mol  
99+
2,747.00 kJ/mol  
38
4th Energy Level
3,598.90 kJ/mol  
99+
7,107.00 kJ/mol  
12
5th Energy Level
4,727.80 kJ/mol  
99+
7,107.00 kJ/mol  
27
6th Energy Level
5,991.70 kJ/mol  
99+
7,107.00 kJ/mol  
99+
7th Energy level
7,226.80 kJ/mol  
34
7,100.00 kJ/mol  
37
8th Energy Level
7,100.00 kJ/mol  
33
4,700.00 kJ/mol  
99+
9th Energy Level
5,800.00 kJ/mol  
99+
5,600.00 kJ/mol  
99+
10th Energy Level
7,100.00 kJ/mol  
35
7,100.00 kJ/mol  
35
11th Energy Level
8,200.00 kJ/mol  
25
7,197.00 kJ/mol  
32
12th Energy Level
82,700.00 kJ/mol  
4
7,190.00 kJ/mol  
99+
13th Energy Level
7,100.00 kJ/mol  
29
7,100.00 kJ/mol  
29
14th Energy Level
8,200.00 kJ/mol  
17
710.00 kJ/mol  
99+
15th Energy Level
82,000.00 kJ/mol  
14
71,000.00 kJ/mol  
25
16th Energy Level
71,100.00 kJ/mol  
20
71,000.00 kJ/mol  
21
17th Energy Level
820.00 kJ/mol  
31
710.20 kJ/mol  
99+
18th Energy Level
8,200.00 kJ/mol  
20
7,100.00 kJ/mol  
31
19th Energy Level
820.80 kJ/mol  
28
710.20 kJ/mol  
38
20th Energy Level
820.00 kJ/mol  
21
710.00 kJ/mol  
32
21st Energy Level
8,200.00 kJ/mol  
11
710.20 kJ/mol  
99+
22nd Energy Level
820.00 kJ/mol  
16
710.00 kJ/mol  
26
23rd Energy Level
8,200.00 kJ/mol  
8
710.20 kJ/mol  
99+
24th Energy Level
820.00 kJ/mol  
12
710.20 kJ/mol  
25
25th Energy Level
820.00 kJ/mol  
10
710.00 kJ/mol  
26
26th Energy Level
820.00 kJ/mol  
10
710.20 kJ/mol  
25
27th Energy Level
820.00 kJ/mol  
9
710.20 kJ/mol  
25
28th Energy Level
820.00 kJ/mol  
15
710.20 kJ/mol  
30
29th Energy Level
820.00 kJ/mol  
14
710.20 kJ/mol  
31
30th Energy Level
820.00 kJ/mol  
10
710.00 kJ/mol  
25
Electrochemical Equivalent
3.00 g/amp-hr  
21
1.26 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
4.71 eV  
14
Other Chemical Properties
Ionization, Radioactive Isotopes  
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
107  
11
44  
99+
Electron Configuration
[Rn] 5f14 6d5 7s2  
[Kr] 4d7 5s1  
Crystal Structure
Hexagonal Close Packed (HCP)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
rystal-Structure-of-Ruthenium.jpg#100  
Atom
  
  
Number of Protons
107  
11
44  
99+
Number of Neutrons
155  
9
57  
99+
Number of Electrons
107  
11
44  
99+
Radius of an Atom
  
  
Atomic Radius
128.00 pm  
99+
134.00 pm  
99+
Covalent Radius
141.00 pm  
99+
146.00 pm  
40
Van der Waals Radius
0.00 pm  
99+
200.00 pm  
35
Atomic Weight
270.00 amu  
8
101.07 amu  
99+
Atomic Volume
23.70 cm3/mol  
14
8.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Seaborgium
  
Technetium
  
Next Element
Hassium
  
Rhodium
  
Valence Electron Potential
27.20 (-eV)  
99+
64.00 (-eV)  
22
Lattice Constant
-  
270.59 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.57  
99+
1.58  
33
Mechanical
Density
  
  
Density At Room Temperature
37.10 g/cm3  
3
12.45 g/cm3  
29
Density When Liquid (at m.p.)
37.10 g/cm3  
3
10.65 g/cm3  
37
Tensile Strength
152.00 MPa  
24
50.00 MPa  
38
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.00 (Pa)  
23
Elasticity properties
  
  
Shear Modulus
28.00 GPa  
32
173.00 GPa  
4
Bulk Modulus
37.00 GPa  
99+
220.00 GPa  
7
Young's Modulus
0.00 GPa  
99+
447.00 GPa  
3
Poisson Ratio
0.35  
9
0.30  
14
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
37.00  
5
12.45  
31
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
11
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
6.50 nΩ·m  
99+
71.00 nΩ·m  
38
Electrical Conductivity
0.00 106/cm Ω  
99+
0.14 106/cm Ω  
18
Electron Affinity
-  
101.30 kJ/mol  
11
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.24 J/(kg K)  
24
Molar Heat Capacity
37.10 J/mol·K  
2
24.06 J/mol·K  
99+
Thermal Conductivity
37.00 W/m·K  
36
117.00 W/m·K  
13
Critical Temperature
1,323.00 K  
99+
2,607.00 K  
9
Thermal Expansion
14.30 µm/(m·K)  
28
6.40 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
270.50 kJ/mol  
99+
567.80 kJ/mol  
13
Enthalpy of Fusion
-  
25.50 kJ/mol  
7
Enthalpy of Atomization
-  
603.00 kJ/mol  
10
Standard Molar Entropy
57.00 J/mol.K  
30
28.50 J/mol.K  
99+
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