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Thulium Uranium Comparison

Thulium
Uranium
Uranium Thulium comparison


Periodic Table
Symbol
Tm  
U  
Group Number
3  
15
0  
18
Period Number
6  
7  
Block
f block  
f block  
Element Family
Lanthanide  
Actinide  
CAS Number
7440304  
99+
7440611  
28
Space Group Name
P63/mmc  
Cmcm  
Space Group Number
194.00  
7
63.00  
13
Facts
Interesting Facts
  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
  
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
Sources
Found in Minerals, Mining, Ores of Minerals  
Earth's crust, Mining, Ores of Minerals  
History
  
  
Who Discovered
Per Teodor Cleve  
-  
Discovery
In 1879  
In 1789  
Abundance
  
  
Abundance In Universe
0.00 %  
31
0.00 %  
30
Abundance In Sun
0.00 %  
28
0.00 %  
26
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
36
Abundance In Oceans
0.00 %  
99+
0.00 %  
11
Abundance In Humans
0.00 %  
24
0.00 %  
24
Uses
Uses & Benefits
  • 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.
  
  • The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
  • Synthetic elements like transuranium are made from Uranium metal.
  
Industrial Uses
-  
Ammunition Industry, Chemical Industry  
Medical Uses
-  
-  
Other Uses
Alloys, Nuclear Research, Research Purposes  
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  
Biological Properties
  
  
Toxicity
-  
Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
37
0.00 Blood/mg dm-3  
37
In Bone
0.00 p.p.m.  
99+
1.20 p.p.m.  
19
Physical
Melting Point
1,545.00 °C  
23
1,132.00 °C  
39
Boiling Point
1,730.00 °C  
99+
3,818.00 °C  
16
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
Silvery Gray  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
2.25  
16
6.00  
6
Brinell Hardness
471.00 MPa  
30
2,350.00 MPa  
2
Vickers Hardness
520.00 MPa  
33
1,960.00 MPa  
6
Speed of Sound
2,760.00 m/s  
99+
3,155.00 m/s  
36
Optical Properties
  
  
Refractive Index
1.60  
33
1.38  
40
Reflectivity
35.00 %  
34
80.00 %  
7
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Tm  
U  
Isotopes
  
  
Known Isotopes
32  
7
25  
14
Electronegativity
  
  
Pauling Electronegativity
1.25  
36
1.38  
29
Sanderson Electronegativity
1.25  
28
1.38  
22
Allred Rochow Electronegativity
1.11  
30
1.22  
27
Mulliken-Jaffe Electronegativity
1.25  
35
1.38  
29
Allen Electronegativity
1.25  
99+
1.38  
36
Electropositivity
  
  
Pauling Electropositivity
2.75  
19
2.62  
26
Ionization Energies
  
  
1st Energy Level
596.70 kJ/mol  
99+
597.60 kJ/mol  
99+
2nd Energy Level
1,160.00 kJ/mol  
99+
1,420.00 kJ/mol  
99+
3rd Energy Level
2,285.00 kJ/mol  
99+
1,900.00 kJ/mol  
99+
4th Energy Level
4,120.00 kJ/mol  
99+
3,145.00 kJ/mol  
99+
5th Energy Level
5,960.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
6th Energy Level
5,960.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
7th Energy level
5,960.00 kJ/mol  
99+
5,970.00 kJ/mol  
99+
8th Energy Level
5,960.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
9th Energy Level
5,960.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
10th Energy Level
5,960.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
11th Energy Level
5,960.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
12th Energy Level
5,960.00 kJ/mol  
99+
5,970.00 kJ/mol  
99+
13th Energy Level
5,960.00 kJ/mol  
99+
5,970.00 kJ/mol  
99+
14th Energy Level
5,960.00 kJ/mol  
35
5,970.00 kJ/mol  
34
15th Energy Level
59,600.00 kJ/mol  
99+
59,700.00 kJ/mol  
99+
16th Energy Level
59,600.00 kJ/mol  
36
59,700.00 kJ/mol  
35
17th Energy Level
596.70 kJ/mol  
99+
597.60 kJ/mol  
99+
18th Energy Level
5,960.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
19th Energy Level
596.00 kJ/mol  
99+
597.60 kJ/mol  
99+
20th Energy Level
596.00 kJ/mol  
99+
597.00 kJ/mol  
99+
21st Energy Level
596.70 kJ/mol  
99+
597.60 kJ/mol  
99+
22nd Energy Level
596.00 kJ/mol  
99+
597.00 kJ/mol  
99+
23rd Energy Level
596.70 kJ/mol  
99+
597.60 kJ/mol  
99+
24th Energy Level
596.00 kJ/mol  
99+
597.60 kJ/mol  
99+
25th Energy Level
596.00 kJ/mol  
99+
597.60 kJ/mol  
99+
26th Energy Level
596.70 kJ/mol  
99+
597.60 kJ/mol  
99+
27th Energy Level
596.70 kJ/mol  
99+
597.60 kJ/mol  
99+
28th Energy Level
596.70 kJ/mol  
99+
597.60 kJ/mol  
99+
29th Energy Level
596.00 kJ/mol  
99+
597.60 kJ/mol  
99+
30th Energy Level
596.70 kJ/mol  
99+
597.60 kJ/mol  
99+
Electrochemical Equivalent
2.10 g/amp-hr  
30
1.48 g/amp-hr  
99+
Electron Work Function
2.40 eV  
99+
3.63 eV  
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
69  
99+
92  
26
Electron Configuration
[Xe] 4f13 6s2  
[Rn] 5f3 6d1 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Orthorhombic (ORTH)  
Crystal Lattice
HCP-Crystal-Structure-of-Thulium.jpg#100  
ORTH-Crystal-Structure-of-Uranium.jpg#100  
Atom
  
  
Number of Protons
69  
99+
92  
26
Number of Neutrons
100  
33
146  
14
Number of Electrons
69  
99+
92  
26
Radius of an Atom
  
  
Atomic Radius
176.00 pm  
20
156.00 pm  
31
Covalent Radius
160.00 pm  
32
196.00 pm  
14
Van der Waals Radius
227.00 pm  
26
186.00 pm  
40
Atomic Weight
168.93 amu  
99+
238.03 amu  
21
Atomic Volume
18.10 cm3/mol  
40
12.59 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Erbium
  
Protactinium
  
Next Element
Ytterbium
  
Neptunium
  
Valence Electron Potential
49.70 (-eV)  
29
170.00 (-eV)  
4
Lattice Constant
353.75 pm  
99+
295.08 pm  
99+
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  
Lattice C/A Ratio
1.57  
40
1.02  
99+
Mechanical
Density
  
  
Density At Room Temperature
9.32 g/cm3  
99+
19.10 g/cm3  
17
Density When Liquid (at m.p.)
8.56 g/cm3  
99+
17.30 g/cm3  
17
Tensile Strength
69.00 MPa  
32
100.00 MPa  
28
Viscosity
0.00  
19
0.00  
21
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.06 (Pa)  
10
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.01 (Pa)  
20
Elasticity properties
  
  
Shear Modulus
30.50 GPa  
26
111.00 GPa  
10
Bulk Modulus
44.50 GPa  
30
100.00 GPa  
16
Young's Modulus
74.00 GPa  
29
208.00 GPa  
11
Poisson Ratio
0.21  
32
0.23  
30
Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
9.32  
99+
18.80  
19
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
16
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
Poor Conductor  
Resistivity
676.00 nΩ·m  
5
0.28 nΩ·m  
99+
Electrical Conductivity
0.02 106/cm Ω  
99+
0.04 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
50.60 kJ/mol  
25
Thermal
Specific Heat
0.16 J/(kg K)  
36
0.12 J/(kg K)  
99+
Molar Heat Capacity
27.03 J/mol·K  
28
27.67 J/mol·K  
18
Thermal Conductivity
16.90 W/m·K  
99+
27.50 W/m·K  
99+
Critical Temperature
1,818.00 K  
27
1,405.00 K  
99+
Thermal Expansion
13.30 µm/(m·K)  
35
13.90 µm/(m·K)  
30
Enthalpy
  
  
Enthalpy of Vaporization
191.00 kJ/mol  
99+
477.00 kJ/mol  
18
Enthalpy of Fusion
16.80 kJ/mol  
17
15.48 kJ/mol  
19
Enthalpy of Atomization
247.00 kJ/mol  
99+
489.50 kJ/mol  
18
Standard Molar Entropy
74.00 J/mol.K  
9
50.20 J/mol.K  
99+
Summary >>
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