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Platinum vs Ytterbium

Platinum
Ytterbium
Ytterbium vs Platinum


Periodic Table
Symbol
Pt   
Yb   
Group Number
10   
8
Not Available   
Period Number
6   
6   
Block
d block   
f block   
Element Family
Transition Metal   
Lanthanide   
CAS Number
7440064   
99+
7440644   
26
Space Group Name
Fm_ 3m   
Fm_ 3m   
Space Group Number
225.00   
2
225.00   
2
Facts
Interesting Facts
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
  
  • Ytterbium metal oxidizes rapidly if exposed to air.
  • Ytterbium metal can dissolve quickly in Mineral acid.
  
Sources
Mining, Ores of metals, Ores of Minerals   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Antonio de Ulloa   
Jean Charles Galissard de Marignac   
Discovery
In 1735   
In 1878   
Abundance
  
  
Abundance In Universe
5 * 10-7 %   
19
2 * 10-7 %   
22
Abundance In Sun
~0.0000009 %   
19
~0.0000001 %   
26
Abundance In Meteorites
0.00 %   
25
0.00 %   
36
Abundance In Earth's Crust
0.00 %   
99+
0.00 %   
33
Abundance In Oceans
Not Available   
0.00 %   
37
Uses
Uses & Benefits
  • Platinum metal is mainly used in jewellery.
  • Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
  
  • Ytterbium metal is used in memory devices and tuneable laser.
  • It is also used as industrial catalyst as the other catalysts are too toxic and polluting.
  
Industrial Uses
Aerospace Industry, Chemical Industry   
Automobile Industry, Chemical Industry   
Medical Uses
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   
NA   
Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues   
Alloys   
Biological Properties
  
  
Toxicity
Non Toxic   
Highly Toxic   
Present in Human Body
No   
No   
Physical Properties
Melting Point
1,772.00 °C   
16
824.00 °C   
99+
Boiling Point
3,827.00 °C   
15
1,196.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery White   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
3.50   
11
Not Available   
Brinell Hardness
300.00 MPa   
34
343.00 MPa   
31
Vickers Hardness
400.00 MPa   
25
206.00 MPa   
33
Speed of Sound
2,800.00 m/s   
29
1,590.00 m/s   
99+
Optical Properties
  
  
Reflectivity
73.00 %   
8
Not Available   
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
Pt   
Yb   
Isotopes
  
  
Known Isotopes
35   
4
30   
9
Electronegativity
  
  
Pauling Electronegativity
2.28   
3
Not Available   
Allred Rochow Electronegativity
1.44   
17
1.06   
33
Allen Electronegativity
1.72   
16
Not Available   
Electropositivity
  
  
Pauling Electropositivity
1.72   
99+
Not Available   
Ionization Energies
  
  
1st Energy Level
870.00 kJ/mol   
10
603.40 kJ/mol   
99+
2nd Energy Level
1,791.00 kJ/mol   
21
1,174.80 kJ/mol   
99+
3rd Energy Level
Not Available   
2,417.00 kJ/mol   
99+
4th Energy Level
Not Available   
4,203.00 kJ/mol   
31
Electrochemical Equivalent
1.82 g/amp-hr   
35
2.15 g/amp-hr   
25
Electron Work Function
5.65 eV   
1
Not Available   
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization   
Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
78   
38
70   
99+
Electron Configuration
[Xe] 4f14 5d9 6s1   
[Xe] 4f14 6s2   
Crystal Structure
Face Centered Cubic (FCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
FCC-Crystal-Structure-of-Platinum.jpg#100   
FCC-Crystal-Structure-of-Ytterbium.jpg#100   
Atom
  
  
Number of Protons
78   
38
70   
99+
Number of Neutrons
117   
24
103   
31
Number of Electrons
78   
38
70   
99+
Radius of an Atom
  
  
Atomic Radius
139.00 pm   
39
176.00 pm   
18
Covalent Radius
136.00 pm   
99+
187.00 pm   
20
Van der Waals Radius
175.00 pm   
36
242.00 pm   
12
Atomic Weight
47.87 amu   
99+
173.05 amu   
99+
Atomic Volume
9.09 cm3/mol   
99+
24.79 cm3/mol   
9
Adjacent Atomic Numbers
  
  
Previous Element
Iridium
  
Thulium
  
Next Element
Gold
  
Lutetium
  
Valence Electron Potential
392.42 (-eV)   
1
50.30 (-eV)   
27
Lattice Constant
392.42 pm   
24
548.47 pm   
11
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
21.45 g/cm3   
11
6.90 g/cm3   
99+
Density When Liquid (at m.p.)
19.77 g/cm3   
2
6.21 g/cm3   
99+
Tensile Strength
125.00 MPa   
14
58.00 MPa   
18
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.07 (Pa)   
18
Not Available   
Elasticity properties
  
  
Shear Modulus
61.00 GPa   
14
9.90 GPa   
99+
Bulk Modulus
230.00 GPa   
6
30.50 GPa   
39
Young's Modulus
168.00 GPa   
14
23.90 GPa   
99+
Poisson Ratio
0.38   
6
0.21   
33
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
21.45   
4
6.97   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Permeability
0.00 H/m   
3
Not Available   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
105.00 nΩ·m   
30
0.25 nΩ·m   
99+
Electrical Conductivity
0.10 106/cm Ω   
21
0.04 106/cm Ω   
38
Electron Affinity
205.30 kJ/mol   
2
50.00 kJ/mol   
21
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
0.15 J/(kg K)   
36
Molar Heat Capacity
25.86 J/mol·K   
35
26.74 J/mol·K   
25
Thermal Conductivity
71.60 W/m·K   
24
38.50 W/m·K   
35
Critical Temperature
Not Available   
26.30 K   
7
Thermal Expansion
8.80 µm/(m·K)   
99+
26.30 µm/(m·K)   
14
Enthalpy
  
  
Enthalpy of Vaporization
510.50 kJ/mol   
11
128.90 kJ/mol   
99+
Enthalpy of Fusion
19.70 kJ/mol   
12
7.66 kJ/mol   
99+
Enthalpy of Atomization
565.00 kJ/mol   
11
180.00 kJ/mol   
99+
Standard Molar Entropy
41.60 J/mol.K   
36
59.90 J/mol.K   
21
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