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Dysprosium vs Tungsten

Dysprosium
Tungsten
Tungsten vs Dysprosium


Periodic Table
Symbol
Dy  
W  
Group Number
3  
15
6  
12
Period Number
6  
6  
Block
f block  
d block  
Element Family
Lanthanide  
Transition Metal  
CAS Number
7429916  
99+
7440337  
99+
Space Group Name
P63/mmc  
Im_ 3m  
Space Group Number
194.00  
7
229.00  
2
Facts
Interesting Facts
  • Dysprosium acts stable in air at room temperature.
  • Dysprosium behaves very much like paramagnetic metal.
  
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
Sources
Found in Minerals, Mining, Ores of Minerals  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Lecoq de Boisbaudran  
-  
Discovery
In 1886  
In 1781  
Abundance
  
  
Abundance In Universe
0.00 %  
23
0.00 %  
28
Abundance In Sun
0.00 %  
25
0.00 %  
23
Abundance In Meteorites
0.00 %  
33
0.00 %  
39
Abundance In Earth's Crust
0.00 %  
28
0.00 %  
39
Abundance In Oceans
0.00 %  
35
0.00 %  
18
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.
  
  • Tungsten and its alloys are used in high-temperature applications like welding electrodes, high-temperature furnace, etc.
  • Tungsten carbide is very hard and used in metal working, mining and petroleum industry.
  
Industrial Uses
-  
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
-  
Other Uses
Alloys, Nuclear Research  
Alloys  
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  
31
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
40
Physical
Melting Point
1,407.00 °C  
32
3,410.00 °C  
1
Boiling Point
2,562.00 °C  
99+
5,660.00 °C  
1
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Grayish White  
Luster
Metallic  
Lustrous  
Hardness
  
  
Mohs Hardness
5.00  
8
7.50  
2
Brinell Hardness
500.00 MPa  
28
2,000.00 MPa  
4
Vickers Hardness
540.00 MPa  
32
3,430.00 MPa  
3
Speed of Sound
2,710.00 m/s  
99+
4,620.00 m/s  
20
Optical Properties
  
  
Refractive Index
1.78  
23
2.10  
11
Reflectivity
35.00 %  
34
62.00 %  
21
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Dy  
W  
Isotopes
  
  
Known Isotopes
29  
10
33  
6
Electronegativity
  
  
Pauling Electronegativity
1.22  
39
2.36  
3
Sanderson Electronegativity
1.22  
31
0.98  
99+
Allred Rochow Electronegativity
1.10  
31
1.40  
20
Mulliken-Jaffe Electronegativity
1.22  
38
2.36  
3
Allen Electronegativity
1.22  
99+
1.47  
33
Electropositivity
  
  
Pauling Electropositivity
2.78  
16
1.64  
99+
Ionization Energies
  
  
1st Energy Level
573.00 kJ/mol  
99+
770.00 kJ/mol  
16
2nd Energy Level
1,130.00 kJ/mol  
99+
1,700.00 kJ/mol  
30
3rd Energy Level
2,200.00 kJ/mol  
99+
2,045.40 kJ/mol  
99+
4th Energy Level
3,990.00 kJ/mol  
99+
7,700.00 kJ/mol  
8
5th Energy Level
5,730.00 kJ/mol  
99+
7,700.00 kJ/mol  
17
6th Energy Level
5,730.00 kJ/mol  
99+
7,700.00 kJ/mol  
35
7th Energy level
5,730.00 kJ/mol  
99+
7,700.00 kJ/mol  
29
8th Energy Level
5,730.00 kJ/mol  
99+
7,700.00 kJ/mol  
29
9th Energy Level
6,340.00 kJ/mol  
99+
7,700.00 kJ/mol  
25
10th Energy Level
5,730.00 kJ/mol  
99+
7,700.00 kJ/mol  
29
11th Energy Level
5,730.00 kJ/mol  
99+
7,700.00 kJ/mol  
28
12th Energy Level
5,730.00 kJ/mol  
99+
7,700.00 kJ/mol  
99+
13th Energy Level
5,730.00 kJ/mol  
99+
7,700.00 kJ/mol  
21
14th Energy Level
5,730.00 kJ/mol  
99+
770.00 kJ/mol  
99+
15th Energy Level
57,300.00 kJ/mol  
99+
77,000.00 kJ/mol  
18
16th Energy Level
57,300.00 kJ/mol  
99+
77,000.00 kJ/mol  
13
17th Energy Level
573.30 kJ/mol  
99+
770.00 kJ/mol  
34
18th Energy Level
5,730.00 kJ/mol  
99+
7,700.00 kJ/mol  
24
19th Energy Level
573.30 kJ/mol  
99+
770.00 kJ/mol  
31
20th Energy Level
573.00 kJ/mol  
99+
770.00 kJ/mol  
25
21st Energy Level
5,730.00 kJ/mol  
23
770.00 kJ/mol  
99+
22nd Energy Level
573.00 kJ/mol  
99+
770.00 kJ/mol  
19
23rd Energy Level
573.00 kJ/mol  
99+
770.00 kJ/mol  
99+
24th Energy Level
573.00 kJ/mol  
99+
770.00 kJ/mol  
15
25th Energy Level
573.00 kJ/mol  
99+
770.00 kJ/mol  
14
26th Energy Level
573.00 kJ/mol  
99+
770.00 kJ/mol  
14
27th Energy Level
573.00 kJ/mol  
99+
770.00 kJ/mol  
13
28th Energy Level
573.00 kJ/mol  
99+
770.00 kJ/mol  
19
29th Energy Level
573.00 kJ/mol  
99+
770.00 kJ/mol  
19
30th Energy Level
573.00 kJ/mol  
99+
770.00 kJ/mol  
14
Electrochemical Equivalent
2.02 g/amp-hr  
33
1.14 g/amp-hr  
99+
Electron Work Function
4.30 eV  
25
4.55 eV  
18
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
66  
99+
74  
99+
Electron Configuration
[Xe] 4f9 6s2  
[Xe] 4f14 5d4 6s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  
Crystal Lattice
HCP-Crystal-Structure-of-Dysprosium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
66  
99+
74  
99+
Number of Neutrons
96  
36
110  
28
Number of Electrons
66  
99+
74  
99+
Radius of an Atom
  
  
Atomic Radius
178.00 pm  
18
139.00 pm  
99+
Covalent Radius
192.00 pm  
17
162.00 pm  
31
Van der Waals Radius
229.00 pm  
25
200.00 pm  
35
Atomic Weight
162.50 amu  
99+
183.84 amu  
37
Atomic Volume
19.00 cm3/mol  
35
9.53 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Terbium
  
Tantalum
  
Next Element
Holmium
  
Rhenium
  
Valence Electron Potential
47.40 (-eV)  
33
140.00 (-eV)  
5
Lattice Constant
359.30 pm  
99+
316.52 pm  
99+
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  
Lattice C/A Ratio
1.57  
38
1.29  
99+
Mechanical
Density
  
  
Density At Room Temperature
8.54 g/cm3  
99+
19.25 g/cm3  
16
Density When Liquid (at m.p.)
8.37 g/cm3  
99+
17.60 g/cm3  
15
Tensile Strength
120.00 MPa  
27
370.00 MPa  
11
Viscosity
0.00  
25
0.00  
1
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
99+
Elasticity properties
  
  
Shear Modulus
24.70 GPa  
39
161.00 GPa  
5
Bulk Modulus
40.50 GPa  
36
310.00 GPa  
4
Young's Modulus
61.40 GPa  
35
411.00 GPa  
4
Poisson Ratio
0.25  
25
0.28  
17
Other Mechanical Properties
Sectile  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
8.55  
99+
19.22  
18
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
23
Electrical Properties
  
  
Electrical Property
Conductor  
Superconductor  
Resistivity
926.00 nΩ·m  
2
52.80 nΩ·m  
99+
Electrical Conductivity
0.01 106/cm Ω  
99+
0.19 106/cm Ω  
10
Electron Affinity
50.00 kJ/mol  
26
78.60 kJ/mol  
15
Thermal
Specific Heat
0.17 J/(kg K)  
35
0.13 J/(kg K)  
40
Molar Heat Capacity
27.70 J/mol·K  
17
24.27 J/mol·K  
99+
Thermal Conductivity
10.70 W/m·K  
99+
173.00 W/m·K  
7
Critical Temperature
1,680.00 K  
36
3,695.00 K  
1
Thermal Expansion
9.90 µm/(m·K)  
99+
4.50 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
230.00 kJ/mol  
99+
799.10 kJ/mol  
1
Enthalpy of Fusion
11.05 kJ/mol  
38
35.23 kJ/mol  
1
Enthalpy of Atomization
301.00 kJ/mol  
99+
837.00 kJ/mol  
1
Standard Molar Entropy
75.60 J/mol.K  
7
32.60 J/mol.K  
99+
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