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Ruthenium vs Yttrium

Ruthenium
Yttrium
Yttrium vs Ruthenium


Periodic Table
Symbol
Ru   
Y   
Group Number
8   
10
3   
15
Period Number
5   
5   
Block
d block   
d block   
Element Family
Transition Metal   
Transition Metal   
CAS Number
7440188   
99+
7440655   
25
Space Group Name
P63/mmc   
P63/mmc   
Space Group Number
194.00   
5
194.00   
5
Facts
Interesting Facts
  • Ruthenium element has been extracted from used nuclear fuel.
  • Ruthenium metal also produces as a by-product of the Nickel mining.
  
  • Yttrium Metal is highly toxic.
  • Yttrium Metal is highly reactive in nature hence not found free in nature.
  
Sources
By-product of Nickel Refining, Found in Minerals, Mining   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Karl Ernst Claus   
Johan Gadolin   
Discovery
In 1844   
In 1794   
Abundance
  
  
Abundance In Universe
4 * 10-7 %   
20
7 * 10-7 %   
17
Abundance In Sun
~0.0000005 %   
22
~0.0000001 %   
26
Abundance In Meteorites
0.00 %   
26
0.00 %   
21
Abundance In Earth's Crust
0.00 %   
99+
0.00 %   
22
Abundance In Oceans
0.00 %   
38
0.00 %   
25
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.
  
  • Yttrium metal is used in different alloys, as it increases the strength of aluminum Magnesium alloy. It is used for radar microwave filter.
  • It is also used as a catalyst in ethene polymerisation.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Electrical Industry, Electronic Industry   
Medical Uses
Medical Research   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Low Toxic   
Highly Toxic   
Present in Human Body
No   
Yes   
In Blood
Not Available   
0.00 Blood/mg dm-3   
26
In Bone
Not Available   
0.07 p.p.m.   
25
Physical Properties
Melting Point
2,250.00 °C   
8
1,523.00 °C   
27
Boiling Point
3,900.00 °C   
14
3,337.00 °C   
21
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery White   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
6.50   
5
Not Available   
Brinell Hardness
2,160.00 MPa   
3
589.00 MPa   
22
Speed of Sound
5,970.00 m/s   
4
3,300.00 m/s   
23
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   
Y   
Isotopes
  
  
Known Isotopes
26   
13
19   
20
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
1.22   
38
Sanderson Electronegativity
Not Available   
0.65   
29
Allred Rochow Electronegativity
1.42   
18
1.11   
29
Allen Electronegativity
1.54   
25
1.12   
38
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
2.78   
16
Ionization Energies
  
  
1st Energy Level
710.20 kJ/mol   
32
600.00 kJ/mol   
99+
2nd Energy Level
710.22 kJ/mol   
99+
1,180.00 kJ/mol   
99+
3rd Energy Level
2,747.00 kJ/mol   
37
1,980.00 kJ/mol   
99+
4th Energy Level
Not Available   
5,847.00 kJ/mol   
10
5th Energy Level
Not Available   
7,430.00 kJ/mol   
14
6th Energy Level
Not Available   
8,970.00 kJ/mol   
17
7th Energy level
Not Available   
11,190.00 kJ/mol   
18
8th Energy Level
Not Available   
12,450.00 kJ/mol   
18
9th Energy Level
Not Available   
14,110.00 kJ/mol   
19
10th Energy Level
Not Available   
18,400.00 kJ/mol   
17
11th Energy Level
Not Available   
19,900.00 kJ/mol   
18
12th Energy Level
Not Available   
36,090.00 kJ/mol   
5
Electrochemical Equivalent
1.26 g/amp-hr   
99+
1.11 g/amp-hr   
99+
Electron Work Function
4.71 eV   
9
3.10 eV   
35
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
44   
99+
39   
99+
Electron Configuration
[Kr] 4d7 5s1   
[Kr] 4d1 5s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
rystal-Structure-of-Ruthenium.jpg#100   
HCP-Crystal-Structure-of-Yttrium.jpg#100   
Atom
  
  
Number of Protons
44   
99+
39   
99+
Number of Neutrons
57   
99+
50   
99+
Number of Electrons
44   
99+
39   
99+
Radius of an Atom
  
  
Atomic Radius
134.00 pm   
99+
180.00 pm   
14
Covalent Radius
146.00 pm   
38
190.00 pm   
18
Van der Waals Radius
200.00 pm   
28
200.00 pm   
28
Atomic Weight
101.07 amu   
99+
88.91 amu   
99+
Atomic Volume
8.30 cm3/mol   
99+
19.80 cm3/mol   
21
Adjacent Atomic Numbers
  
  
Previous Element
Technetium
  
Strontium
  
Next Element
Rhodium
  
Zirconium
  
Valence Electron Potential
64.00 (-eV)   
22
48.00 (-eV)   
30
Lattice Constant
270.59 pm   
99+
364.74 pm   
31
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.58   
11
1.57   
16
Mechanical Properties
Density
  
  
Density At Room Temperature
12.45 g/cm3   
27
4.47 g/cm3   
99+
Density When Liquid (at m.p.)
10.65 g/cm3   
16
4.24 g/cm3   
99+
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
32
Vapor Pressure at 2000 K
0.00 (Pa)   
23
4.27 (Pa)   
10
Elasticity properties
  
  
Shear Modulus
173.00 GPa   
4
25.60 GPa   
30
Bulk Modulus
220.00 GPa   
7
41.20 GPa   
30
Young's Modulus
447.00 GPa   
3
63.50 GPa   
32
Poisson Ratio
0.30   
14
0.24   
26
Other Mechanical Properties
Ductile, Malleable   
Ductile   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
12.45   
19
4.47   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
71.00 nΩ·m   
38
596.00 nΩ·m   
8
Electrical Conductivity
0.14 106/cm Ω   
16
0.02 106/cm Ω   
99+
Electron Affinity
101.30 kJ/mol   
10
29.60 kJ/mol   
30
Thermal Properties
Specific Heat
0.24 J/(kg K)   
24
0.30 J/(kg K)   
18
Molar Heat Capacity
24.06 J/mol·K   
99+
26.53 J/mol·K   
27
Thermal Conductivity
117.00 W/m·K   
13
17.20 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
6.40 µm/(m·K)   
99+
10.60 µm/(m·K)   
37
Enthalpy
  
  
Enthalpy of Vaporization
567.80 kJ/mol   
10
393.00 kJ/mol   
18
Enthalpy of Fusion
25.50 kJ/mol   
7
17.15 kJ/mol   
16
Enthalpy of Atomization
603.00 kJ/mol   
9
418.00 kJ/mol   
18
Standard Molar Entropy
28.50 J/mol.K   
99+
44.40 J/mol.K   
33
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