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Osmium Yttrium Comparison

Osmium
Yttrium
Yttrium Osmium comparison


Periodic Table
Symbol
Os   
Y   
Group Number
8   
10
3   
15
Period Number
6   
5   
Block
d block   
d block   
Element Family
Transition Metal   
Transition Metal   
CAS Number
7440042   
99+
7440655   
25
Space Group Name
P63/mmc   
P63/mmc   
Space Group Number
194.00   
5
194.00   
5
Facts
Interesting Facts
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  
  • Yttrium Metal is highly toxic.
  • Yttrium Metal is highly reactive in nature hence not found free in nature.
  
Sources
Found As a By-product, Found in Minerals, Mining   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Smithson Tennant   
Johan Gadolin   
Discovery
In 1803   
In 1794   
Abundance
  
  
Abundance In Universe
3 * 10-7 %   
21
7 * 10-7 %   
17
Abundance In Sun
~0.0000002 %   
25
~0.0000001 %   
26
Abundance In Meteorites
0.00 %   
28
0.00 %   
21
Abundance In Earth's Crust
0.00 %   
99+
0.00 %   
22
Abundance In Oceans
Not Available   
0.00 %   
25
Uses
Uses & Benefits
  • Its has very limited uses and its alloys are very hard and are used in the manufacturing of pen tips, pivots, needles and electrical contacts.
  • It is also used as industrial catalyst to speed up the chemical 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, Electrical Industry, Electronic Industry   
Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Highly 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
3,045.00 °C   
3
1,523.00 °C   
27
Boiling Point
5,027.00 °C   
6
3,337.00 °C   
21
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery Bluish-Gray   
Silvery White   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
7.00   
3
Not Available   
Brinell Hardness
3,490.00 MPa   
1
589.00 MPa   
22
Speed of Sound
4,940.00 m/s   
11
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
Os   
Y   
Isotopes
  
  
Known Isotopes
35   
4
19   
20
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
1.22   
38
Sanderson Electronegativity
Not Available   
0.65   
29
Allred Rochow Electronegativity
1.52   
12
1.11   
29
Allen Electronegativity
1.65   
19
1.12   
38
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
2.78   
16
Ionization Energies
  
  
1st Energy Level
840.00 kJ/mol   
12
600.00 kJ/mol   
99+
2nd Energy Level
1,309.80 kJ/mol   
99+
1,180.00 kJ/mol   
99+
3rd Energy Level
1,600.00 kJ/mol   
99+
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
1.77 g/amp-hr   
38
1.11 g/amp-hr   
99+
Electron Work Function
4.83 eV   
8
3.10 eV   
35
Other Chemical Properties
Chemical Stability, Ionization, Solubility   
Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
76   
40
39   
99+
Electron Configuration
[Xe] 4f14 5d6 6s2   
[Kr] 4d1 5s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Yttrium.jpg#100   
Atom
  
  
Number of Protons
76   
39
39   
99+
Number of Neutrons
114   
25
50   
99+
Number of Electrons
76   
39
39   
99+
Radius of an Atom
  
  
Atomic Radius
133.80 pm   
99+
180.00 pm   
14
Covalent Radius
Not Available   
190.00 pm   
18
Van der Waals Radius
216.00 pm   
24
200.00 pm   
28
Atomic Weight
190.23 amu   
35
88.91 amu   
99+
Atomic Volume
8.49 cm3/mol   
99+
19.80 cm3/mol   
21
Adjacent Atomic Numbers
  
  
Previous Element
Rhenium
  
Strontium
  
Next Element
Iridium
  
Zirconium
  
Valence Electron Potential
91.40 (-eV)   
12
48.00 (-eV)   
30
Lattice Constant
273.44 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   
14
1.57   
16
Mechanical Properties
Density
  
  
Density At Room Temperature
22.59 g/cm3   
9
4.47 g/cm3   
99+
Density When Liquid (at m.p.)
20.00 g/cm3   
1
4.24 g/cm3   
99+
Tensile Strength
1,000.00 MPa   
4
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)   
28
4.27 (Pa)   
10
Elasticity properties
  
  
Shear Modulus
222.00 GPa   
1
25.60 GPa   
30
Bulk Modulus
462.00 GPa   
1
41.20 GPa   
30
Young's Modulus
Not Available   
63.50 GPa   
32
Poisson Ratio
0.25   
24
0.24   
26
Other Mechanical Properties
Ductile   
Ductile   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
22.57   
2
4.47   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
81.20 nΩ·m   
35
596.00 nΩ·m   
8
Electrical Conductivity
0.11 106/cm Ω   
18
0.02 106/cm Ω   
99+
Electron Affinity
106.10 kJ/mol   
9
29.60 kJ/mol   
30
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
0.30 J/(kg K)   
18
Molar Heat Capacity
24.70 J/mol·K   
99+
26.53 J/mol·K   
27
Thermal Conductivity
87.60 W/m·K   
19
17.20 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
5.10 µm/(m·K)   
99+
10.60 µm/(m·K)   
37
Enthalpy
  
  
Enthalpy of Vaporization
627.60 kJ/mol   
7
393.00 kJ/mol   
18
Enthalpy of Fusion
29.30 kJ/mol   
4
17.15 kJ/mol   
16
Enthalpy of Atomization
669.00 kJ/mol   
6
418.00 kJ/mol   
18
Standard Molar Entropy
32.60 J/mol.K   
99+
44.40 J/mol.K   
33
Summary >>
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