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Ytterbium vs Silver

Ytterbium
Silver
Silver vs Ytterbium


Periodic Table
Symbol
Yb   
Ag   
Group Number
Not Available   
11   
7
Period Number
6   
5   
Block
f block   
d block   
Element Family
Lanthanide   
Transition Metal   
CAS Number
7440644   
26
7440224   
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.
  
  • It is the most reflective element.
  • Silver is the second most ductile metal after Gold.
  • It is also used in Dentistry as a dental alloys for clips and crowning.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Earth's crust, Found in Minerals, Ores of metals   
History
  
  
Who Discovered
Jean Charles Galissard de Marignac   
Unknown   
Discovery
In 1878   
Before 5000 BC   
Abundance
  
  
Abundance In Universe
2 * 10-7 %   
22
6 * 10-8 %   
26
Abundance In Sun
~0.0000001 %   
26
~0.0000001 %   
26
Abundance In Meteorites
0.00 %   
36
0.00 %   
38
Abundance In Earth's Crust
0.00 %   
33
0.00 %   
99+
Abundance In Oceans
0.00 %   
37
0.00 %   
19
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.
  
  • Silver is mainly used for Jewelry and show piece.
  • It is used for manufacturing high quality mirrors due to its reflectivity property.
  
Industrial Uses
Automobile Industry, Chemical Industry   
Chemical Industry, Clothing Industry, Electrical Industry   
Medical Uses
NA   
Dentistry, Pharmaceutical Industry   
Other Uses
Alloys   
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues   
Biological Properties
  
  
Toxicity
Highly Toxic   
Non Toxic   
Present in Human Body
No   
Yes   
In Blood
Not Available   
0.00 Blood/mg dm-3   
29
In Bone
Not Available   
0.44 p.p.m.   
20
Physical Properties
Melting Point
824.00 °C   
99+
961.93 °C   
99+
Boiling Point
1,196.00 °C   
99+
2,212.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery White   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
2.50   
14
Brinell Hardness
343.00 MPa   
31
251.00 MPa   
37
Vickers Hardness
206.00 MPa   
33
229.00 MPa   
30
Speed of Sound
1,590.00 m/s   
99+
2,680.00 m/s   
34
Optical Properties
  
  
Reflectivity
Not Available   
97.00 %   
1
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   
Ag   
Isotopes
  
  
Known Isotopes
30   
9
36   
3
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.93   
9
Sanderson Electronegativity
Not Available   
1.83   
11
Allred Rochow Electronegativity
1.06   
33
1.42   
18
Mulliken-Jaffe Electronegativity
Not Available   
1.47   
15
Allen Electronegativity
Not Available   
1.87   
7
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.07   
99+
Ionization Energies
  
  
1st Energy Level
603.40 kJ/mol   
99+
731.00 kJ/mol   
27
2nd Energy Level
1,174.80 kJ/mol   
99+
2,070.00 kJ/mol   
11
3rd Energy Level
2,417.00 kJ/mol   
99+
3,361.00 kJ/mol   
19
4th Energy Level
4,203.00 kJ/mol   
31
Not Available   
Electrochemical Equivalent
2.15 g/amp-hr   
25
4.02 g/amp-hr   
7
Electron Work Function
Not Available   
4.26 eV   
20
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Ionization, Solubility   
Atomic Properties
Atomic Number
70   
99+
47   
99+
Electron Configuration
[Xe] 4f14 6s2   
[Kr] 4d10 5s1   
Crystal Structure
Face Centered Cubic (FCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
FCC-Crystal-Structure-of-Ytterbium.jpg#100   
FCC-Crystal-Structure-of-Silver.jpg#100   
Atom
  
  
Number of Protons
70   
99+
47   
99+
Number of Neutrons
103   
31
61   
99+
Number of Electrons
70   
99+
47   
99+
Radius of an Atom
  
  
Atomic Radius
176.00 pm   
18
144.00 pm   
36
Covalent Radius
187.00 pm   
20
145.00 pm   
39
Van der Waals Radius
242.00 pm   
12
172.00 pm   
38
Atomic Weight
173.05 amu   
99+
107.87 amu   
99+
Atomic Volume
24.79 cm3/mol   
9
10.30 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Thulium
  
Palladium
  
Next Element
Lutetium
  
Cadmium
  
Valence Electron Potential
50.30 (-eV)   
27
11.40 (-eV)   
99+
Lattice Constant
548.47 pm   
11
408.53 pm   
20
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+
10.49 g/cm3   
35
Density When Liquid (at m.p.)
6.21 g/cm3   
99+
9.32 g/cm3   
21
Tensile Strength
58.00 MPa   
18
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
14
Elasticity properties
  
  
Shear Modulus
9.90 GPa   
99+
30.00 GPa   
23
Bulk Modulus
30.50 GPa   
39
100.00 GPa   
16
Young's Modulus
23.90 GPa   
99+
83.00 GPa   
23
Poisson Ratio
0.21   
33
0.37   
7
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
6.97   
99+
10.50   
26
Magnetic Ordering
Paramagnetic   
Diamagnetic   
Susceptibility
Not Available   
0.00   
5
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
0.25 nΩ·m   
99+
15.87 nΩ·m   
99+
Electrical Conductivity
0.04 106/cm Ω   
38
0.63 106/cm Ω   
1
Electron Affinity
50.00 kJ/mol   
21
125.60 kJ/mol   
5
Thermal Properties
Specific Heat
0.15 J/(kg K)   
36
0.24 J/(kg K)   
25
Molar Heat Capacity
26.74 J/mol·K   
25
25.35 J/mol·K   
99+
Thermal Conductivity
38.50 W/m·K   
35
429.00 W/m·K   
1
Critical Temperature
26.30 K   
7
Not Available   
Thermal Expansion
26.30 µm/(m·K)   
14
18.90 µm/(m·K)   
23
Enthalpy
  
  
Enthalpy of Vaporization
128.90 kJ/mol   
99+
255.10 kJ/mol   
37
Enthalpy of Fusion
7.66 kJ/mol   
99+
11.30 kJ/mol   
31
Enthalpy of Atomization
180.00 kJ/mol   
99+
284.50 kJ/mol   
37
Standard Molar Entropy
59.90 J/mol.K   
21
42.60 J/mol.K   
35
Periodic Table >>
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