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