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Dysprosium vs Platinum

Dysprosium
Platinum
Platinum vs Dysprosium


Periodic Table
Symbol
Dy   
Pt   
Group Number
Not Available   
10   
8
Period Number
6   
6   
Block
f block   
d block   
Element Family
Lanthanide   
Transition Metal   
CAS Number
7429916   
99+
7440064   
99+
Space Group Name
P63/mmc   
Fm_ 3m   
Space Group Number
194.00   
5
225.00   
2
Facts
Interesting Facts
  • Dysprosium acts stable in air at room temperature.
  • Dysprosium behaves very much like paramagnetic metal.
  
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Mining, Ores of metals, Ores of Minerals   
History
  
  
Who Discovered
Lecoq de Boisbaudran   
Antonio de Ulloa   
Discovery
In 1886   
In 1735   
Abundance
  
  
Abundance In Universe
2 * 10-7 %   
22
5 * 10-7 %   
19
Abundance In Sun
~0.0000002 %   
25
~0.0000009 %   
19
Abundance In Meteorites
0.00 %   
33
0.00 %   
25
Abundance In Earth's Crust
0.00 %   
28
0.00 %   
99+
Abundance In Oceans
0.00 %   
35
Not Available   
Uses
Uses & Benefits
  • Dysprosium metal is highly reactive due to which it pure form is not as usual as its alloy.
  • Thi metals alloy is used in magnate as it is resistance to high temperature.
  
  • Platinum metal is mainly used in jewellery.
  • Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
  
Industrial Uses
NA   
Aerospace Industry, Chemical Industry   
Medical Uses
NA   
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   
Other Uses
Alloys, Nuclear Research   
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues   
Biological Properties
  
  
Toxicity
Mildly Toxic   
Non Toxic   
Present in Human Body
No   
No   
Physical Properties
Melting Point
1,407.00 °C   
32
1,772.00 °C   
16
Boiling Point
2,562.00 °C   
99+
3,827.00 °C   
15
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery White   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
3.50   
11
Brinell Hardness
500.00 MPa   
23
300.00 MPa   
34
Vickers Hardness
540.00 MPa   
20
400.00 MPa   
25
Speed of Sound
2,710.00 m/s   
33
2,800.00 m/s   
29
Optical Properties
  
  
Reflectivity
Not Available   
73.00 %   
8
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
Dy   
Pt   
Isotopes
  
  
Known Isotopes
29   
10
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.22   
38
2.28   
3
Allred Rochow Electronegativity
1.10   
30
1.44   
17
Allen Electronegativity
Not Available   
1.72   
16
Electropositivity
  
  
Pauling Electropositivity
2.78   
16
1.72   
99+
Ionization Energies
  
  
1st Energy Level
573.00 kJ/mol   
99+
870.00 kJ/mol   
10
2nd Energy Level
1,130.00 kJ/mol   
99+
1,791.00 kJ/mol   
21
3rd Energy Level
2,200.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,990.00 kJ/mol   
37
Not Available   
Electrochemical Equivalent
2.02 g/amp-hr   
29
1.82 g/amp-hr   
35
Electron Work Function
Not Available   
5.65 eV   
1
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Anti Corrosion, Ionization   
Atomic Properties
Atomic Number
66   
99+
78   
38
Electron Configuration
[Xe] 4f9 6s2   
[Xe] 4f14 5d9 6s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Dysprosium.jpg#100   
FCC-Crystal-Structure-of-Platinum.jpg#100   
Atom
  
  
Number of Protons
66   
99+
78   
38
Number of Neutrons
96   
35
117   
24
Number of Electrons
66   
99+
78   
38
Radius of an Atom
  
  
Atomic Radius
178.00 pm   
16
139.00 pm   
39
Covalent Radius
192.00 pm   
17
136.00 pm   
99+
Van der Waals Radius
229.00 pm   
20
175.00 pm   
36
Atomic Weight
162.50 amu   
99+
47.87 amu   
99+
Atomic Volume
19.00 cm3/mol   
23
9.09 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Terbium
  
Iridium
  
Next Element
Holmium
  
Gold
  
Valence Electron Potential
47.40 (-eV)   
32
392.42 (-eV)   
1
Lattice Constant
359.30 pm   
37
392.42 pm   
24
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.57   
15
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
8.54 g/cm3   
99+
21.45 g/cm3   
11
Density When Liquid (at m.p.)
8.37 g/cm3   
25
19.77 g/cm3   
2
Tensile Strength
120.00 MPa   
15
125.00 MPa   
14
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available   
0.07 (Pa)   
18
Elasticity properties
  
  
Shear Modulus
24.70 GPa   
31
61.00 GPa   
14
Bulk Modulus
40.50 GPa   
31
230.00 GPa   
6
Young's Modulus
61.40 GPa   
33
168.00 GPa   
14
Poisson Ratio
0.25   
25
0.38   
6
Other Mechanical Properties
Sectile   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
8.55   
38
21.45   
4
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Permeability
Not Available   
0.00 H/m   
3
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
926.00 nΩ·m   
2
105.00 nΩ·m   
30
Electrical Conductivity
0.01 106/cm Ω   
99+
0.10 106/cm Ω   
21
Electron Affinity
50.00 kJ/mol   
21
205.30 kJ/mol   
2
Thermal Properties
Specific Heat
0.17 J/(kg K)   
34
0.13 J/(kg K)   
39
Molar Heat Capacity
27.70 J/mol·K   
14
25.86 J/mol·K   
35
Thermal Conductivity
10.70 W/m·K   
99+
71.60 W/m·K   
24
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
9.90 µm/(m·K)   
40
8.80 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
230.00 kJ/mol   
39
510.50 kJ/mol   
11
Enthalpy of Fusion
11.05 kJ/mol   
32
19.70 kJ/mol   
12
Enthalpy of Atomization
301.00 kJ/mol   
36
565.00 kJ/mol   
11
Standard Molar Entropy
75.60 J/mol.K   
7
41.60 J/mol.K   
36
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