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Tungsten Thulium Comparison

Tungsten
Thulium
Thulium Tungsten comparison


Periodic Table
Symbol
W  
Tm  
Group Number
6  
12
3  
15
Period Number
6  
6  
Block
d block  
f block  
Element Family
Transition Metal  
Lanthanide  
CAS Number
7440337  
99+
7440304  
99+
Space Group Name
Im_ 3m  
P63/mmc  
Space Group Number
229.00  
2
194.00  
7
Facts
Interesting Facts
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
-  
Per Teodor Cleve  
Discovery
In 1781  
In 1879  
Abundance
  
  
Abundance In Universe
0.00 %  
28
0.00 %  
31
Abundance In Sun
0.00 %  
23
0.00 %  
28
Abundance In Meteorites
0.00 %  
39
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
39
0.00 %  
99+
Abundance In Oceans
0.00 %  
18
0.00 %  
99+
Abundance In Humans
0.00 %  
24
0.00 %  
24
Uses
Uses & Benefits
  • 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.
  
  • Thulium metal produces isotopes that emits X-rays. This isotope is used in X-ray machine.
  • Thulium element is also used in Surgical equipment like laser.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry  
-  
Medical Uses
-  
-  
Other Uses
Alloys  
Alloys, Nuclear Research, Research Purposes  
Biological Properties
  
  
Toxicity
Non Toxic  
-  
Present in Human Body
Yes  
No  
In Blood
0.00 Blood/mg dm-3  
31
0.00 Blood/mg dm-3  
37
In Bone
0.00 p.p.m.  
40
0.00 p.p.m.  
99+
Physical
Melting Point
3,410.00 °C  
1
1,545.00 °C  
23
Boiling Point
5,660.00 °C  
1
1,730.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Grayish White  
Silvery Gray  
Luster
Lustrous  
Metallic  
Hardness
  
  
Mohs Hardness
7.50  
2
2.25  
16
Brinell Hardness
2,000.00 MPa  
4
471.00 MPa  
30
Vickers Hardness
3,430.00 MPa  
3
520.00 MPa  
33
Speed of Sound
4,620.00 m/s  
20
2,760.00 m/s  
99+
Optical Properties
  
  
Refractive Index
2.10  
11
1.60  
33
Reflectivity
62.00 %  
21
35.00 %  
34
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
W  
Tm  
Isotopes
  
  
Known Isotopes
33  
6
32  
7
Electronegativity
  
  
Pauling Electronegativity
2.36  
3
1.25  
36
Sanderson Electronegativity
0.98  
99+
1.25  
28
Allred Rochow Electronegativity
1.40  
20
1.11  
30
Mulliken-Jaffe Electronegativity
2.36  
3
1.25  
35
Allen Electronegativity
1.47  
33
1.25  
99+
Electropositivity
  
  
Pauling Electropositivity
1.64  
99+
2.75  
19
Ionization Energies
  
  
1st Energy Level
770.00 kJ/mol  
16
596.70 kJ/mol  
99+
2nd Energy Level
1,700.00 kJ/mol  
30
1,160.00 kJ/mol  
99+
3rd Energy Level
2,045.40 kJ/mol  
99+
2,285.00 kJ/mol  
99+
4th Energy Level
7,700.00 kJ/mol  
8
4,120.00 kJ/mol  
99+
5th Energy Level
7,700.00 kJ/mol  
17
5,960.00 kJ/mol  
99+
6th Energy Level
7,700.00 kJ/mol  
35
5,960.00 kJ/mol  
99+
7th Energy level
7,700.00 kJ/mol  
29
5,960.00 kJ/mol  
99+
8th Energy Level
7,700.00 kJ/mol  
29
5,960.00 kJ/mol  
99+
9th Energy Level
7,700.00 kJ/mol  
25
5,960.00 kJ/mol  
99+
10th Energy Level
7,700.00 kJ/mol  
29
5,960.00 kJ/mol  
99+
11th Energy Level
7,700.00 kJ/mol  
28
5,960.00 kJ/mol  
99+
12th Energy Level
7,700.00 kJ/mol  
99+
5,960.00 kJ/mol  
99+
13th Energy Level
7,700.00 kJ/mol  
21
5,960.00 kJ/mol  
99+
14th Energy Level
770.00 kJ/mol  
99+
5,960.00 kJ/mol  
35
15th Energy Level
77,000.00 kJ/mol  
18
59,600.00 kJ/mol  
99+
16th Energy Level
77,000.00 kJ/mol  
13
59,600.00 kJ/mol  
36
17th Energy Level
770.00 kJ/mol  
34
596.70 kJ/mol  
99+
18th Energy Level
7,700.00 kJ/mol  
24
5,960.00 kJ/mol  
99+
19th Energy Level
770.00 kJ/mol  
31
596.00 kJ/mol  
99+
20th Energy Level
770.00 kJ/mol  
25
596.00 kJ/mol  
99+
21st Energy Level
770.00 kJ/mol  
99+
596.70 kJ/mol  
99+
22nd Energy Level
770.00 kJ/mol  
19
596.00 kJ/mol  
99+
23rd Energy Level
770.00 kJ/mol  
99+
596.70 kJ/mol  
99+
24th Energy Level
770.00 kJ/mol  
15
596.00 kJ/mol  
99+
25th Energy Level
770.00 kJ/mol  
14
596.00 kJ/mol  
99+
26th Energy Level
770.00 kJ/mol  
14
596.70 kJ/mol  
99+
27th Energy Level
770.00 kJ/mol  
13
596.70 kJ/mol  
99+
28th Energy Level
770.00 kJ/mol  
19
596.70 kJ/mol  
99+
29th Energy Level
770.00 kJ/mol  
19
596.00 kJ/mol  
99+
30th Energy Level
770.00 kJ/mol  
14
596.70 kJ/mol  
99+
Electrochemical Equivalent
1.14 g/amp-hr  
99+
2.10 g/amp-hr  
30
Electron Work Function
4.55 eV  
18
2.40 eV  
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
74  
99+
69  
99+
Electron Configuration
[Xe] 4f14 5d4 6s2  
[Xe] 4f13 6s2  
Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Thulium.jpg#100  
Atom
  
  
Number of Protons
74  
99+
69  
99+
Number of Neutrons
110  
28
100  
33
Number of Electrons
74  
99+
69  
99+
Radius of an Atom
  
  
Atomic Radius
139.00 pm  
99+
176.00 pm  
20
Covalent Radius
162.00 pm  
31
160.00 pm  
32
Van der Waals Radius
200.00 pm  
35
227.00 pm  
26
Atomic Weight
183.84 amu  
37
168.93 amu  
99+
Atomic Volume
9.53 cm3/mol  
99+
18.10 cm3/mol  
40
Adjacent Atomic Numbers
  
  
Previous Element
Tantalum
  
Erbium
  
Next Element
Rhenium
  
Ytterbium
  
Valence Electron Potential
140.00 (-eV)  
5
49.70 (-eV)  
29
Lattice Constant
316.52 pm  
99+
353.75 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.29  
99+
1.57  
40
Mechanical
Density
  
  
Density At Room Temperature
19.25 g/cm3  
16
9.32 g/cm3  
99+
Density When Liquid (at m.p.)
17.60 g/cm3  
15
8.56 g/cm3  
99+
Tensile Strength
370.00 MPa  
11
69.00 MPa  
32
Viscosity
0.00  
1
0.00  
19
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.06 (Pa)  
10
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
161.00 GPa  
5
30.50 GPa  
26
Bulk Modulus
310.00 GPa  
4
44.50 GPa  
30
Young's Modulus
411.00 GPa  
4
74.00 GPa  
29
Poisson Ratio
0.28  
17
0.21  
32
Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
19.22  
18
9.32  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
17
Susceptibility
0.00  
23
0.00  
24
Electrical Properties
  
  
Electrical Property
Superconductor  
Conductor  
Resistivity
52.80 nΩ·m  
99+
676.00 nΩ·m  
5
Electrical Conductivity
0.19 106/cm Ω  
10
0.02 106/cm Ω  
99+
Electron Affinity
78.60 kJ/mol  
15
50.00 kJ/mol  
26
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.16 J/(kg K)  
36
Molar Heat Capacity
24.27 J/mol·K  
99+
27.03 J/mol·K  
28
Thermal Conductivity
173.00 W/m·K  
7
16.90 W/m·K  
99+
Critical Temperature
3,695.00 K  
1
1,818.00 K  
27
Thermal Expansion
4.50 µm/(m·K)  
99+
13.30 µm/(m·K)  
35
Enthalpy
  
  
Enthalpy of Vaporization
799.10 kJ/mol  
1
191.00 kJ/mol  
99+
Enthalpy of Fusion
35.23 kJ/mol  
1
16.80 kJ/mol  
17
Enthalpy of Atomization
837.00 kJ/mol  
1
247.00 kJ/mol  
99+
Standard Molar Entropy
32.60 J/mol.K  
99+
74.00 J/mol.K  
9
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