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Ruthenium vs Aluminium

Ruthenium
Aluminium
Aluminium vs Ruthenium


Periodic Table
Symbol
Ru  
Al  
Group Number
8  
10
13  
5
Period Number
5  
3  
Block
d block  
p block  
Element Family
Transition Metal  
Post-​Transition  
CAS Number
7440188  
99+
7429905  
99+
Space Group Name
P63/mmc  
Fm_ 3m  
Space Group Number
194.00  
7
225.00  
3
Facts
Interesting Facts
  • Ruthenium element has been extracted from used nuclear fuel.
  • Ruthenium metal also produces as a by-product of the Nickel mining.
  
  • Aluminum’s abundance percentage is more as it is found in more than 260 minerals.
  • Pure Aluminum always reacts with oxygen rapidly.
  • It is a good conductor of heat and electricity and used in transmission lines.
  
Sources
By-product of Nickel Refining, Found in Minerals, Mining  
By Electrolysis Process, Earth's crust, Mining  
History
  
  
Who Discovered
Karl Ernst Claus  
Hans Christian Oersted  
Discovery
In 1844  
In 1825  
Abundance
  
  
Abundance In Universe
0.00 %  
21
0.01 %  
6
Abundance In Sun
0.00 %  
22
0.01 %  
5
Abundance In Meteorites
0.00 %  
26
0.91 %  
5
Abundance In Earth's Crust
0.00 %  
99+
8.10 %  
1
Abundance In Oceans
0.00 %  
38
0.00 %  
6
Abundance In Humans
0.00 %  
24
0.00 %  
11
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.
  
  • Aluminum is used in a various products; for example, cans, foils, kitchen utensils, window frames, beer kegs and aero plane parts, automobile parts, etc.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
Medical Research  
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing  
Other Uses
Alloys  
Alloys, Jewellery, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Low Toxic  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
37
0.39 Blood/mg dm-3  
9
In Bone
0.00 p.p.m.  
99+
27.00 p.p.m.  
11
Physical
Melting Point
2,250.00 °C  
8
660.37 °C  
99+
Boiling Point
3,900.00 °C  
14
2,467.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silvery Gray  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
6.50  
5
2.75  
14
Brinell Hardness
2,160.00 MPa  
3
160.00 MPa  
99+
Vickers Hardness
1,160.00 MPa  
14
160.00 MPa  
99+
Speed of Sound
5,970.00 m/s  
7
5,000.00 m/s  
14
Optical Properties
  
  
Refractive Index
2.60  
4
1.61  
31
Reflectivity
6.00 %  
38
71.00 %  
12
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ru  
Al  
Isotopes
  
  
Known Isotopes
26  
13
11  
27
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
1.61  
23
Sanderson Electronegativity
2.20  
8
1.71  
16
Allred Rochow Electronegativity
1.42  
19
1.47  
15
Mulliken-Jaffe Electronegativity
2.20  
6
1.83  
16
Allen Electronegativity
1.54  
28
1.61  
23
Electropositivity
  
  
Pauling Electropositivity
1.80  
99+
2.39  
32
Ionization Energies
  
  
1st Energy Level
710.20 kJ/mol  
32
577.50 kJ/mol  
99+
2nd Energy Level
710.22 kJ/mol  
99+
1,816.70 kJ/mol  
20
3rd Energy Level
2,747.00 kJ/mol  
38
2,744.80 kJ/mol  
39
4th Energy Level
7,107.00 kJ/mol  
12
11,577.00 kJ/mol  
3
5th Energy Level
7,107.00 kJ/mol  
27
14,842.00 kJ/mol  
2
6th Energy Level
7,107.00 kJ/mol  
99+
18,379.00 kJ/mol  
2
7th Energy level
7,100.00 kJ/mol  
37
23,326.00 kJ/mol  
2
8th Energy Level
4,700.00 kJ/mol  
99+
27,465.00 kJ/mol  
2
9th Energy Level
5,600.00 kJ/mol  
99+
31,853.00 kJ/mol  
2
10th Energy Level
7,100.00 kJ/mol  
35
38,473.00 kJ/mol  
4
11th Energy Level
7,197.00 kJ/mol  
32
42,647.00 kJ/mol  
5
12th Energy Level
7,190.00 kJ/mol  
99+
5,770.00 kJ/mol  
99+
13th Energy Level
7,100.00 kJ/mol  
29
5,770.00 kJ/mol  
99+
14th Energy Level
710.00 kJ/mol  
99+
577.50 kJ/mol  
99+
15th Energy Level
71,000.00 kJ/mol  
25
57,700.00 kJ/mol  
99+
16th Energy Level
71,000.00 kJ/mol  
21
577.50 kJ/mol  
99+
17th Energy Level
710.20 kJ/mol  
99+
577.50 kJ/mol  
99+
18th Energy Level
7,100.00 kJ/mol  
31
5,775.00 kJ/mol  
99+
19th Energy Level
710.20 kJ/mol  
38
577.50 kJ/mol  
99+
20th Energy Level
710.00 kJ/mol  
32
577.00 kJ/mol  
99+
21st Energy Level
710.20 kJ/mol  
99+
577.50 kJ/mol  
99+
22nd Energy Level
710.00 kJ/mol  
26
577.00 kJ/mol  
99+
23rd Energy Level
710.20 kJ/mol  
99+
577.50 kJ/mol  
99+
24th Energy Level
710.20 kJ/mol  
25
577.50 kJ/mol  
99+
25th Energy Level
710.00 kJ/mol  
26
577.50 kJ/mol  
99+
26th Energy Level
710.20 kJ/mol  
25
577.50 kJ/mol  
99+
27th Energy Level
710.20 kJ/mol  
25
577.50 kJ/mol  
99+
28th Energy Level
710.20 kJ/mol  
30
577.50 kJ/mol  
99+
29th Energy Level
710.20 kJ/mol  
31
577.50 kJ/mol  
99+
30th Energy Level
710.00 kJ/mol  
25
577.50 kJ/mol  
99+
Electrochemical Equivalent
1.26 g/amp-hr  
99+
0.34 g/amp-hr  
99+
Electron Work Function
4.71 eV  
14
4.28 eV  
26
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Chemical Stability, Ionization, Radioactive Isotopes  
Atomic
Atomic Number
44  
99+
13  
99+
Electron Configuration
[Kr] 4d7 5s1  
[Ne] 3s2 3p1  
Crystal Structure
Hexagonal Close Packed (HCP)  
Face Centered Cubic (FCC)  
Crystal Lattice
rystal-Structure-of-Ruthenium.jpg#100  
FCC-Crystal-Structure-of-Aluminium.jpg#100  
Atom
  
  
Number of Protons
44  
99+
13  
99+
Number of Neutrons
57  
99+
14  
99+
Number of Electrons
44  
99+
13  
99+
Radius of an Atom
  
  
Atomic Radius
134.00 pm  
99+
143.00 pm  
39
Covalent Radius
146.00 pm  
40
121.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
184.00 pm  
99+
Atomic Weight
101.07 amu  
99+
26.98 amu  
99+
Atomic Volume
8.30 cm3/mol  
99+
10.00 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Technetium
  
Magnesium
  
Next Element
Rhodium
  
Potassium
  
Valence Electron Potential
64.00 (-eV)  
22
80.70 (-eV)  
17
Lattice Constant
270.59 pm  
99+
404.95 pm  
25
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  
Lattice C/A Ratio
1.58  
33
1.58  
34
Mechanical
Density
  
  
Density At Room Temperature
12.45 g/cm3  
29
2.70 g/cm3  
99+
Density When Liquid (at m.p.)
10.65 g/cm3  
37
2.38 g/cm3  
99+
Tensile Strength
50.00 MPa  
38
40.00 MPa  
99+
Viscosity
0.00  
25
0.00  
23
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
19
Vapor Pressure at 2000 K
0.00 (Pa)  
23
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
173.00 GPa  
4
26.00 GPa  
36
Bulk Modulus
220.00 GPa  
7
76.00 GPa  
19
Young's Modulus
447.00 GPa  
3
70.00 GPa  
30
Poisson Ratio
0.30  
14
0.35  
9
Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
12.45  
31
2.72  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
18
Susceptibility
0.00  
24
0.00  
11
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
71.00 nΩ·m  
38
28.20 nΩ·m  
99+
Electrical Conductivity
0.14 106/cm Ω  
18
0.38 106/cm Ω  
4
Electron Affinity
101.30 kJ/mol  
11
42.50 kJ/mol  
31
Thermal
Specific Heat
0.24 J/(kg K)  
24
0.90 J/(kg K)  
5
Molar Heat Capacity
24.06 J/mol·K  
99+
24.20 J/mol·K  
99+
Thermal Conductivity
117.00 W/m·K  
13
237.00 W/m·K  
4
Critical Temperature
2,607.00 K  
9
933.00 K  
99+
Thermal Expansion
6.40 µm/(m·K)  
99+
23.10 µm/(m·K)  
18
Enthalpy
  
  
Enthalpy of Vaporization
567.80 kJ/mol  
13
293.70 kJ/mol  
99+
Enthalpy of Fusion
25.50 kJ/mol  
7
10.67 kJ/mol  
99+
Enthalpy of Atomization
603.00 kJ/mol  
10
322.20 kJ/mol  
99+
Standard Molar Entropy
28.50 J/mol.K  
99+
28.30 J/mol.K  
99+
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