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Dysprosium Silver Comparison

Dysprosium
Silver
Silver Dysprosium comparison


Periodic Table
Symbol
Dy  
Ag  
Group Number
3  
15
11  
7
Period Number
6  
5  
Block
f block  
d block  
Element Family
Lanthanide  
Transition Metal  
CAS Number
7429916  
99+
7440224  
99+
Space Group Name
P63/mmc  
Fm_ 3m  
Space Group Number
194.00  
7
225.00  
3
Facts
Interesting Facts
  • Dysprosium acts stable in air at room temperature.
  • Dysprosium behaves very much like paramagnetic metal.
  
  • 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
Lecoq de Boisbaudran  
-  
Discovery
In 1886  
Before 5000 BC  
Abundance
  
  
Abundance In Universe
0.00 %  
23
0.00 %  
27
Abundance In Sun
0.00 %  
25
0.00 %  
26
Abundance In Meteorites
0.00 %  
33
0.00 %  
38
Abundance In Earth's Crust
0.00 %  
28
0.00 %  
99+
Abundance In Oceans
0.00 %  
35
0.00 %  
19
Abundance In Humans
0.00 %  
24
0.00 %  
24
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.
  
  • Silver is mainly used for Jewelry and show piece.
  • It is used for manufacturing high quality mirrors due to its reflectivity property.
  
Industrial Uses
-  
Chemical Industry, Clothing Industry, Electrical Industry  
Medical Uses
-  
Dentistry, Pharmaceutical Industry  
Other Uses
Alloys, Nuclear Research  
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Mildly Toxic  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
29
In Bone
0.00 p.p.m.  
99+
0.44 p.p.m.  
24
Physical
Melting Point
1,407.00 °C  
32
961.93 °C  
99+
Boiling Point
2,562.00 °C  
99+
2,212.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silvery White  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
5.00  
8
2.50  
15
Brinell Hardness
500.00 MPa  
28
251.00 MPa  
99+
Vickers Hardness
540.00 MPa  
32
229.00 MPa  
99+
Speed of Sound
2,710.00 m/s  
99+
2,680.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.78  
23
0.16  
99+
Reflectivity
35.00 %  
34
97.00 %  
1
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Dy  
Ag  
Isotopes
  
  
Known Isotopes
29  
10
36  
3
Electronegativity
  
  
Pauling Electronegativity
1.22  
39
1.93  
10
Sanderson Electronegativity
1.22  
31
1.83  
14
Allred Rochow Electronegativity
1.10  
31
1.42  
19
Mulliken-Jaffe Electronegativity
1.22  
38
1.47  
28
Allen Electronegativity
1.22  
99+
1.87  
10
Electropositivity
  
  
Pauling Electropositivity
2.78  
16
2.07  
99+
Ionization Energies
  
  
1st Energy Level
573.00 kJ/mol  
99+
731.00 kJ/mol  
27
2nd Energy Level
1,130.00 kJ/mol  
99+
2,070.00 kJ/mol  
11
3rd Energy Level
2,200.00 kJ/mol  
99+
3,361.00 kJ/mol  
19
4th Energy Level
3,990.00 kJ/mol  
99+
7,310.00 kJ/mol  
10
5th Energy Level
5,730.00 kJ/mol  
99+
7,310.00 kJ/mol  
24
6th Energy Level
5,730.00 kJ/mol  
99+
7,310.00 kJ/mol  
39
7th Energy level
5,730.00 kJ/mol  
99+
7,310.00 kJ/mol  
33
8th Energy Level
5,730.00 kJ/mol  
99+
7,310.00 kJ/mol  
31
9th Energy Level
6,340.00 kJ/mol  
99+
7,310.00 kJ/mol  
27
10th Energy Level
5,730.00 kJ/mol  
99+
7,310.00 kJ/mol  
32
11th Energy Level
5,730.00 kJ/mol  
99+
7,310.00 kJ/mol  
31
12th Energy Level
5,730.00 kJ/mol  
99+
7,310.00 kJ/mol  
99+
13th Energy Level
5,730.00 kJ/mol  
99+
7,310.00 kJ/mol  
25
14th Energy Level
5,730.00 kJ/mol  
99+
731.00 kJ/mol  
99+
15th Energy Level
57,300.00 kJ/mol  
99+
73,100.00 kJ/mol  
22
16th Energy Level
57,300.00 kJ/mol  
99+
73,100.00 kJ/mol  
17
17th Energy Level
573.30 kJ/mol  
99+
731.00 kJ/mol  
38
18th Energy Level
5,730.00 kJ/mol  
99+
7,310.00 kJ/mol  
28
19th Energy Level
573.30 kJ/mol  
99+
731.00 kJ/mol  
35
20th Energy Level
573.00 kJ/mol  
99+
731.00 kJ/mol  
29
21st Energy Level
5,730.00 kJ/mol  
23
731.00 kJ/mol  
99+
22nd Energy Level
573.00 kJ/mol  
99+
731.00 kJ/mol  
23
23rd Energy Level
573.00 kJ/mol  
99+
731.00 kJ/mol  
99+
24th Energy Level
573.00 kJ/mol  
99+
731.00 kJ/mol  
22
25th Energy Level
573.00 kJ/mol  
99+
731.00 kJ/mol  
22
26th Energy Level
573.00 kJ/mol  
99+
731.00 kJ/mol  
22
27th Energy Level
573.00 kJ/mol  
99+
731.00 kJ/mol  
21
28th Energy Level
573.00 kJ/mol  
99+
731.00 kJ/mol  
27
29th Energy Level
573.00 kJ/mol  
99+
731.00 kJ/mol  
28
30th Energy Level
573.00 kJ/mol  
99+
731.00 kJ/mol  
22
Electrochemical Equivalent
2.02 g/amp-hr  
33
4.02 g/amp-hr  
7
Electron Work Function
4.30 eV  
25
4.26 eV  
27
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Chemical Stability, Ionization, Solubility  
Atomic
Atomic Number
66  
99+
47  
99+
Electron Configuration
[Xe] 4f9 6s2  
[Kr] 4d10 5s1  
Crystal Structure
Hexagonal Close Packed (HCP)  
Face Centered Cubic (FCC)  
Crystal Lattice
HCP-Crystal-Structure-of-Dysprosium.jpg#100  
FCC-Crystal-Structure-of-Silver.jpg#100  
Atom
  
  
Number of Protons
66  
99+
47  
99+
Number of Neutrons
96  
36
61  
99+
Number of Electrons
66  
99+
47  
99+
Radius of an Atom
  
  
Atomic Radius
178.00 pm  
18
144.00 pm  
38
Covalent Radius
192.00 pm  
17
145.00 pm  
99+
Van der Waals Radius
229.00 pm  
25
172.00 pm  
99+
Atomic Weight
162.50 amu  
99+
107.87 amu  
99+
Atomic Volume
19.00 cm3/mol  
35
10.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Terbium
  
Palladium
  
Next Element
Holmium
  
Cadmium
  
Valence Electron Potential
47.40 (-eV)  
33
11.40 (-eV)  
99+
Lattice Constant
359.30 pm  
99+
408.53 pm  
23
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  
Lattice C/A Ratio
1.57  
38
1.59  
26
Mechanical
Density
  
  
Density At Room Temperature
8.54 g/cm3  
99+
10.49 g/cm3  
37
Density When Liquid (at m.p.)
8.37 g/cm3  
99+
9.32 g/cm3  
99+
Tensile Strength
120.00 MPa  
27
170.00 MPa  
21
Viscosity
0.00  
25
0.00  
23
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
14
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
38
Elasticity properties
  
  
Shear Modulus
24.70 GPa  
39
30.00 GPa  
27
Bulk Modulus
40.50 GPa  
36
100.00 GPa  
16
Young's Modulus
61.40 GPa  
35
83.00 GPa  
25
Poisson Ratio
0.25  
25
0.37  
7
Other Mechanical Properties
Sectile  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
8.55  
99+
10.50  
39
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
32
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
926.00 nΩ·m  
2
15.87 nΩ·m  
99+
Electrical Conductivity
0.01 106/cm Ω  
99+
0.63 106/cm Ω  
1
Electron Affinity
50.00 kJ/mol  
26
125.60 kJ/mol  
5
Thermal
Specific Heat
0.17 J/(kg K)  
35
0.24 J/(kg K)  
25
Molar Heat Capacity
27.70 J/mol·K  
17
25.35 J/mol·K  
99+
Thermal Conductivity
10.70 W/m·K  
99+
429.00 W/m·K  
1
Critical Temperature
1,680.00 K  
36
1,235.00 K  
99+
Thermal Expansion
9.90 µm/(m·K)  
99+
18.90 µm/(m·K)  
25
Enthalpy
  
  
Enthalpy of Vaporization
230.00 kJ/mol  
99+
255.10 kJ/mol  
99+
Enthalpy of Fusion
11.05 kJ/mol  
38
11.30 kJ/mol  
37
Enthalpy of Atomization
301.00 kJ/mol  
99+
284.50 kJ/mol  
99+
Standard Molar Entropy
75.60 J/mol.K  
7
42.60 J/mol.K  
99+
Summary >>
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