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Ruthenium vs Meitnerium

Ruthenium
Meitnerium
Meitnerium vs Ruthenium


Periodic Table
Symbol
Ru  
Mt  
Group Number
8  
10
9  
9
Period Number
5  
7  
Block
d block  
d block  
Element Family
Transition Metal  
Probably Transition  
CAS Number
7440188  
99+
54038016  
10
Space Group Name
P63/mmc  
-  
Space Group Number
194.00  
7
166.00  
9
Facts
Interesting Facts
  • Ruthenium element has been extracted from used nuclear fuel.
  • Ruthenium metal also produces as a by-product of the Nickel mining.
  
Meitnerium is named after Lise Meitner, an Austrian physicist.  
Sources
By-product of Nickel Refining, Found in Minerals, Mining  
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced  
History
  
  
Who Discovered
Karl Ernst Claus  
Gesellschaft für Schwerionenforschung  
Discovery
In 1844  
In 1982  
Abundance
  
  
Abundance In Universe
0.00 %  
21
0.00 %  
40
Abundance In Sun
0.00 %  
22
-  
Abundance In Meteorites
0.00 %  
26
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
99+
-  
Abundance In Oceans
0.00 %  
38
-  
Abundance In Humans
0.00 %  
24
-  
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 Meitnerium metal are limited to research purpose only.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
-  
Medical Uses
Medical Research  
-  
Other Uses
Alloys  
-  
Biological Properties
  
  
Toxicity
Low Toxic  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
37
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
2,250.00 °C  
8
-  
Boiling Point
3,900.00 °C  
14
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
-  
Luster
Metallic  
Unknown Luster  
Hardness
  
  
Mohs Hardness
6.50  
5
-  
Brinell Hardness
2,160.00 MPa  
3
400.00 MPa  
34
Vickers Hardness
1,160.00 MPa  
14
350.00 MPa  
99+
Speed of Sound
5,970.00 m/s  
7
3,200.00 m/s  
35
Optical Properties
  
  
Refractive Index
2.60  
4
1.30  
99+
Reflectivity
6.00 %  
38
68.00 %  
15
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ru  
Mt  
Isotopes
  
  
Known Isotopes
26  
13
4  
33
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
1.30  
33
Sanderson Electronegativity
2.20  
8
1.90  
13
Allred Rochow Electronegativity
1.42  
19
1.30  
25
Mulliken-Jaffe Electronegativity
2.20  
6
1.30  
33
Allen Electronegativity
1.54  
28
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
1.80  
99+
2.00  
99+
Ionization Energies
  
  
1st Energy Level
710.20 kJ/mol  
32
800.80 kJ/mol  
15
2nd Energy Level
710.22 kJ/mol  
99+
1,823.60 kJ/mol  
18
3rd Energy Level
2,747.00 kJ/mol  
38
2,904.20 kJ/mol  
31
4th Energy Level
7,107.00 kJ/mol  
12
3,859.40 kJ/mol  
99+
5th Energy Level
7,107.00 kJ/mol  
27
4,920.80 kJ/mol  
99+
6th Energy Level
7,107.00 kJ/mol  
99+
8,000.00 kJ/mol  
34
7th Energy level
7,100.00 kJ/mol  
37
8,000.00 kJ/mol  
28
8th Energy Level
4,700.00 kJ/mol  
99+
8,000.00 kJ/mol  
28
9th Energy Level
5,600.00 kJ/mol  
99+
6,700.00 kJ/mol  
36
10th Energy Level
7,100.00 kJ/mol  
35
5,800.00 kJ/mol  
99+
11th Energy Level
7,197.00 kJ/mol  
32
6,300.00 kJ/mol  
99+
12th Energy Level
7,190.00 kJ/mol  
99+
0.00 kJ/mol  
99+
13th Energy Level
7,100.00 kJ/mol  
29
8,000.00 kJ/mol  
20
14th Energy Level
710.00 kJ/mol  
99+
1,156.00 kJ/mol  
99+
15th Energy Level
71,000.00 kJ/mol  
25
80,000.00 kJ/mol  
17
16th Energy Level
71,000.00 kJ/mol  
21
58,700.00 kJ/mol  
39
17th Energy Level
710.20 kJ/mol  
99+
1,110.00 kJ/mol  
20
18th Energy Level
7,100.00 kJ/mol  
31
8,000.00 kJ/mol  
23
19th Energy Level
710.20 kJ/mol  
38
1,110.00 kJ/mol  
17
20th Energy Level
710.00 kJ/mol  
32
850.00 kJ/mol  
18
21st Energy Level
710.20 kJ/mol  
99+
800.00 kJ/mol  
99+
22nd Energy Level
710.00 kJ/mol  
26
380.00 kJ/mol  
99+
23rd Energy Level
710.20 kJ/mol  
99+
8,000.00 kJ/mol  
9
24th Energy Level
710.20 kJ/mol  
25
565.60 kJ/mol  
99+
25th Energy Level
710.00 kJ/mol  
26
800.00 kJ/mol  
13
26th Energy Level
710.20 kJ/mol  
25
800.00 kJ/mol  
13
27th Energy Level
710.20 kJ/mol  
25
800.00 kJ/mol  
12
28th Energy Level
710.20 kJ/mol  
30
800.00 kJ/mol  
18
29th Energy Level
710.20 kJ/mol  
31
800.00 kJ/mol  
18
30th Energy Level
710.00 kJ/mol  
25
800.00 kJ/mol  
13
Electrochemical Equivalent
1.26 g/amp-hr  
99+
3.00 g/amp-hr  
21
Electron Work Function
4.71 eV  
14
4.90 eV  
12
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
44  
99+
109  
9
Electron Configuration
[Kr] 4d7 5s1  
[Rn] 5f14 6d7 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Face Centered Cubic (FCC)  
Crystal Lattice
rystal-Structure-of-Ruthenium.jpg#100  
FCC-Crystal-Structure-of-Meitnerium.jpg#100  
Atom
  
  
Number of Protons
44  
99+
109  
9
Number of Neutrons
57  
99+
157  
8
Number of Electrons
44  
99+
109  
9
Radius of an Atom
  
  
Atomic Radius
134.00 pm  
99+
122.00 pm  
99+
Covalent Radius
146.00 pm  
40
129.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
260.00 pm  
9
Atomic Weight
101.07 amu  
99+
278.00 amu  
7
Atomic Volume
8.30 cm3/mol  
99+
20.20 cm3/mol  
30
Adjacent Atomic Numbers
  
  
Previous Element
Technetium
  
Hassium
  
Next Element
Rhodium
  
Darmstadtium
  
Valence Electron Potential
64.00 (-eV)  
22
31.20 (-eV)  
99+
Lattice Constant
270.59 pm  
99+
0.00 pm  
99+
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.58  
33
1.59  
27
Mechanical
Density
  
  
Density At Room Temperature
12.45 g/cm3  
29
37.40 g/cm3  
2
Density When Liquid (at m.p.)
10.65 g/cm3  
37
37.40 g/cm3  
2
Tensile Strength
50.00 MPa  
38
80.00 MPa  
29
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)  
23
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
173.00 GPa  
4
35.00 GPa  
21
Bulk Modulus
220.00 GPa  
7
0.00 GPa  
99+
Young's Modulus
447.00 GPa  
3
13.50 GPa  
99+
Poisson Ratio
0.30  
14
0.25  
24
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
12.45  
31
37.40  
4
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
12
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
71.00 nΩ·m  
38
0.35 nΩ·m  
99+
Electrical Conductivity
0.14 106/cm Ω  
18
0.00 106/cm Ω  
99+
Electron Affinity
101.30 kJ/mol  
11
50.00 kJ/mol  
26
Thermal
Specific Heat
0.24 J/(kg K)  
24
0.10 J/(kg K)  
99+
Molar Heat Capacity
24.06 J/mol·K  
99+
27.00 J/mol·K  
29
Thermal Conductivity
117.00 W/m·K  
13
0.00 W/m·K  
99+
Critical Temperature
2,607.00 K  
9
1,323.00 K  
99+
Thermal Expansion
6.40 µm/(m·K)  
99+
10.30 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
567.80 kJ/mol  
13
110.00 kJ/mol  
99+
Enthalpy of Fusion
25.50 kJ/mol  
7
-  
Enthalpy of Atomization
603.00 kJ/mol  
10
350.20 kJ/mol  
37
Standard Molar Entropy
28.50 J/mol.K  
99+
63.80 J/mol.K  
22
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