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Silver vs Lutetium

Silver
Lutetium
Lutetium vs Silver


Periodic Table
Symbol
Ag  
Lu  
Group Number
11  
7
3  
15
Period Number
5  
6  
Block
d block  
f block  
Element Family
Transition Metal  
Lanthanide  
CAS Number
7440224  
99+
7439943  
99+
Space Group Name
Fm_ 3m  
P63/mmc  
Space Group Number
225.00  
3
194.00  
7
Facts
Interesting Facts
  • 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.
  
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
  
Sources
Earth's crust, Found in Minerals, Ores of metals  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
-  
Georges Urbain and Carl Auer von Welsbach  
Discovery
Before 5000 BC  
In 1906  
Abundance
  
  
Abundance In Universe
0.00 %  
27
0.00 %  
31
Abundance In Sun
0.00 %  
26
0.00 %  
26
Abundance In Meteorites
0.00 %  
38
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
99+
Abundance In Oceans
0.00 %  
19
0.00 %  
99+
Abundance In Humans
0.00 %  
24
0.00 %  
24
Uses
Uses & Benefits
  • Silver is mainly used for Jewelry and show piece.
  • It is used for manufacturing high quality mirrors due to its reflectivity property.
  
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
  
Industrial Uses
Chemical Industry, Clothing Industry, Electrical Industry  
-  
Medical Uses
Dentistry, Pharmaceutical Industry  
-  
Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues  
Alloys  
Biological Properties
  
  
Toxicity
Non Toxic  
Low Toxic  
Present in Human Body
Yes  
No  
In Blood
0.00 Blood/mg dm-3  
29
0.00 Blood/mg dm-3  
37
In Bone
0.44 p.p.m.  
24
0.00 p.p.m.  
99+
Physical
Melting Point
961.93 °C  
99+
1,652.00 °C  
19
Boiling Point
2,212.00 °C  
99+
3,402.00 °C  
20
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silvery White  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
2.50  
15
4.50  
10
Brinell Hardness
251.00 MPa  
99+
893.00 MPa  
11
Vickers Hardness
229.00 MPa  
99+
1,160.00 MPa  
14
Speed of Sound
2,680.00 m/s  
99+
5,200.00 m/s  
10
Optical Properties
  
  
Refractive Index
0.16  
99+
1.90  
18
Reflectivity
97.00 %  
1
60.00 %  
23
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ag  
Lu  
Isotopes
  
  
Known Isotopes
36  
3
35  
4
Electronegativity
  
  
Pauling Electronegativity
1.93  
10
1.27  
35
Sanderson Electronegativity
1.83  
14
1.27  
27
Allred Rochow Electronegativity
1.42  
19
1.14  
29
Mulliken-Jaffe Electronegativity
1.47  
28
1.27  
34
Allen Electronegativity
1.87  
10
1.27  
99+
Electropositivity
  
  
Pauling Electropositivity
2.07  
99+
2.73  
20
Ionization Energies
  
  
1st Energy Level
731.00 kJ/mol  
27
523.50 kJ/mol  
99+
2nd Energy Level
2,070.00 kJ/mol  
11
1,340.00 kJ/mol  
99+
3rd Energy Level
3,361.00 kJ/mol  
19
2,022.30 kJ/mol  
99+
4th Energy Level
7,310.00 kJ/mol  
10
4,370.00 kJ/mol  
38
5th Energy Level
7,310.00 kJ/mol  
24
6,445.00 kJ/mol  
34
6th Energy Level
7,310.00 kJ/mol  
39
5,230.00 kJ/mol  
99+
7th Energy level
7,310.00 kJ/mol  
33
5,230.00 kJ/mol  
99+
8th Energy Level
7,310.00 kJ/mol  
31
5,230.00 kJ/mol  
99+
9th Energy Level
7,310.00 kJ/mol  
27
5,230.00 kJ/mol  
99+
10th Energy Level
7,310.00 kJ/mol  
32
5,230.00 kJ/mol  
99+
11th Energy Level
7,310.00 kJ/mol  
31
5,235.00 kJ/mol  
99+
12th Energy Level
7,310.00 kJ/mol  
99+
5,230.00 kJ/mol  
99+
13th Energy Level
7,310.00 kJ/mol  
25
5,230.00 kJ/mol  
99+
14th Energy Level
731.00 kJ/mol  
99+
5,230.00 kJ/mol  
99+
15th Energy Level
73,100.00 kJ/mol  
22
52,300.00 kJ/mol  
99+
16th Energy Level
73,100.00 kJ/mol  
17
52,300.00 kJ/mol  
99+
17th Energy Level
731.00 kJ/mol  
38
523.50 kJ/mol  
99+
18th Energy Level
7,310.00 kJ/mol  
28
5,230.00 kJ/mol  
99+
19th Energy Level
731.00 kJ/mol  
35
523.50 kJ/mol  
99+
20th Energy Level
731.00 kJ/mol  
29
523.00 kJ/mol  
99+
21st Energy Level
731.00 kJ/mol  
99+
523.50 kJ/mol  
99+
22nd Energy Level
731.00 kJ/mol  
23
523.00 kJ/mol  
99+
23rd Energy Level
731.00 kJ/mol  
99+
5,230.00 kJ/mol  
28
24th Energy Level
731.00 kJ/mol  
22
523.50 kJ/mol  
99+
25th Energy Level
731.00 kJ/mol  
22
523.00 kJ/mol  
99+
26th Energy Level
731.00 kJ/mol  
22
523.50 kJ/mol  
99+
27th Energy Level
731.00 kJ/mol  
21
523.50 kJ/mol  
99+
28th Energy Level
731.00 kJ/mol  
27
523.50 kJ/mol  
99+
29th Energy Level
731.00 kJ/mol  
28
523.50 kJ/mol  
99+
30th Energy Level
731.00 kJ/mol  
22
523.00 kJ/mol  
99+
Electrochemical Equivalent
4.02 g/amp-hr  
7
2.18 g/amp-hr  
27
Electron Work Function
4.26 eV  
27
3.30 eV  
99+
Other Chemical Properties
Chemical Stability, Ionization, Solubility  
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
47  
99+
71  
99+
Electron Configuration
[Kr] 4d10 5s1  
[Xe] 6s2 4f14 5d1  
Crystal Structure
Face Centered Cubic (FCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
FCC-Crystal-Structure-of-Silver.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
47  
99+
71  
99+
Number of Neutrons
61  
99+
104  
31
Number of Electrons
47  
99+
71  
99+
Radius of an Atom
  
  
Atomic Radius
144.00 pm  
38
174.00 pm  
22
Covalent Radius
145.00 pm  
99+
187.00 pm  
20
Van der Waals Radius
172.00 pm  
99+
221.00 pm  
27
Atomic Weight
107.87 amu  
99+
174.97 amu  
40
Atomic Volume
10.30 cm3/mol  
99+
17.78 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Palladium
  
Ytterbium
  
Next Element
Cadmium
  
Hafnium
  
Valence Electron Potential
11.40 (-eV)  
99+
50.90 (-eV)  
27
Lattice Constant
408.53 pm  
23
350.31 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.59  
26
1.59  
32
Mechanical
Density
  
  
Density At Room Temperature
10.49 g/cm3  
37
9.84 g/cm3  
99+
Density When Liquid (at m.p.)
9.32 g/cm3  
99+
9.30 g/cm3  
99+
Tensile Strength
170.00 MPa  
21
230.00 MPa  
18
Viscosity
0.00  
23
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
14
0.00 (Pa)  
35
Vapor Pressure at 2000 K
0.00 (Pa)  
38
3.18 (Pa)  
11
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
27.20 GPa  
33
Bulk Modulus
100.00 GPa  
16
47.60 GPa  
25
Young's Modulus
83.00 GPa  
25
68.60 GPa  
32
Poisson Ratio
0.37  
7
0.26  
21
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
10.50  
39
9.84  
99+
Magnetic Ordering
Diamagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
9
Susceptibility
0.00  
32
0.00  
14
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
15.87 nΩ·m  
99+
582.00 nΩ·m  
9
Electrical Conductivity
0.63 106/cm Ω  
1
0.02 106/cm Ω  
99+
Electron Affinity
125.60 kJ/mol  
5
50.00 kJ/mol  
26
Thermal
Specific Heat
0.24 J/(kg K)  
25
0.15 J/(kg K)  
37
Molar Heat Capacity
25.35 J/mol·K  
99+
26.86 J/mol·K  
31
Thermal Conductivity
429.00 W/m·K  
1
16.40 W/m·K  
99+
Critical Temperature
1,235.00 K  
99+
1,925.00 K  
23
Thermal Expansion
18.90 µm/(m·K)  
25
9.90 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
255.10 kJ/mol  
99+
355.90 kJ/mol  
32
Enthalpy of Fusion
11.30 kJ/mol  
37
18.70 kJ/mol  
13
Enthalpy of Atomization
284.50 kJ/mol  
99+
398.00 kJ/mol  
26
Standard Molar Entropy
42.60 J/mol.K  
99+
51.00 J/mol.K  
99+
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