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Thulium vs Tennessine

Thulium
Tennessine
Tennessine vs Thulium


Periodic Table
Symbol
Tm  
Ts  
Group Number
3  
15
17  
1
Period Number
6  
7  
Block
f block  
p block  
Element Family
Lanthanide  
Probably Post-​Transition  
CAS Number
7440304  
99+
54101143  
2
Space Group Name
P63/mmc  
-  
Space Group Number
194.00  
7
166.00  
9
Facts
Interesting Facts
  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
  
Tennessine is a superheavy artificial element with a very short half-life.  
Sources
Found in Minerals, Mining, Ores of Minerals  
Synthetically Produced  
History
  
  
Who Discovered
Per Teodor Cleve  
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Discovery
In 1879  
In 2010  
Abundance
  
  
Abundance In Universe
0.00 %  
31
-  
Abundance In Sun
0.00 %  
28
-  
Abundance In Meteorites
0.00 %  
99+
-  
Abundance In Earth's Crust
0.00 %  
99+
-  
Abundance In Oceans
0.00 %  
99+
-  
Abundance In Humans
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.
  
  • Currently known uses of Ununseptium metal are limited to research purpose only.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
Alloys, Nuclear Research, Research Purposes  
Research Purposes  
Biological Properties
  
  
Toxicity
-  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
37
0.01 Blood/mg dm-3  
25
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
1,545.00 °C  
23
400.00 °C  
99+
Boiling Point
1,730.00 °C  
99+
610.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
-  
Luster
Metallic  
Unknown Luster  
Hardness
  
  
Mohs Hardness
2.25  
16
-  
Brinell Hardness
471.00 MPa  
30
700.00 MPa  
17
Vickers Hardness
520.00 MPa  
33
430.00 MPa  
39
Speed of Sound
2,760.00 m/s  
99+
4,000.00 m/s  
24
Optical Properties
  
  
Refractive Index
1.60  
33
1.90  
18
Reflectivity
35.00 %  
34
67.00 %  
16
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Tm  
Ts  
Isotopes
  
  
Known Isotopes
32  
7
0  
35
Electronegativity
  
  
Pauling Electronegativity
1.25  
36
0.00  
99+
Sanderson Electronegativity
1.25  
28
1.90  
13
Allred Rochow Electronegativity
1.11  
30
1.90  
1
Mulliken-Jaffe Electronegativity
1.25  
35
2.00  
10
Allen Electronegativity
1.25  
99+
2.10  
4
Electropositivity
  
  
Pauling Electropositivity
2.75  
19
2.20  
39
Ionization Energies
  
  
1st Energy Level
596.70 kJ/mol  
99+
742.90 kJ/mol  
23
2nd Energy Level
1,160.00 kJ/mol  
99+
1,785.00 kJ/mol  
23
3rd Energy Level
2,285.00 kJ/mol  
99+
723.60 kJ/mol  
99+
4th Energy Level
4,120.00 kJ/mol  
99+
-  
5th Energy Level
5,960.00 kJ/mol  
99+
-  
6th Energy Level
5,960.00 kJ/mol  
99+
11,000.00 kJ/mol  
11
7th Energy level
5,960.00 kJ/mol  
99+
6,500.00 kJ/mol  
99+
8th Energy Level
5,960.00 kJ/mol  
99+
7,000.00 kJ/mol  
38
9th Energy Level
5,960.00 kJ/mol  
99+
7,230.00 kJ/mol  
28
10th Energy Level
5,960.00 kJ/mol  
99+
6,100.00 kJ/mol  
99+
11th Energy Level
5,960.00 kJ/mol  
99+
6,700.00 kJ/mol  
38
12th Energy Level
5,960.00 kJ/mol  
99+
883.00 kJ/mol  
99+
13th Energy Level
5,960.00 kJ/mol  
99+
7,230.00 kJ/mol  
26
14th Energy Level
5,960.00 kJ/mol  
35
6,500.00 kJ/mol  
25
15th Energy Level
59,600.00 kJ/mol  
99+
61,000.00 kJ/mol  
99+
16th Energy Level
59,600.00 kJ/mol  
36
65,000.00 kJ/mol  
26
17th Energy Level
596.70 kJ/mol  
99+
580.00 kJ/mol  
99+
18th Energy Level
5,960.00 kJ/mol  
99+
6,100.00 kJ/mol  
99+
19th Energy Level
596.00 kJ/mol  
99+
540.30 kJ/mol  
99+
20th Energy Level
596.00 kJ/mol  
99+
608.00 kJ/mol  
99+
21st Energy Level
596.70 kJ/mol  
99+
5,780.00 kJ/mol  
22
22nd Energy Level
596.00 kJ/mol  
99+
590.00 kJ/mol  
99+
23rd Energy Level
596.70 kJ/mol  
99+
6,100.00 kJ/mol  
16
24th Energy Level
596.00 kJ/mol  
99+
883.00 kJ/mol  
7
25th Energy Level
596.00 kJ/mol  
99+
578.00 kJ/mol  
99+
26th Energy Level
596.70 kJ/mol  
99+
593.80 kJ/mol  
99+
27th Energy Level
596.70 kJ/mol  
99+
610.00 kJ/mol  
99+
28th Energy Level
596.70 kJ/mol  
99+
850.00 kJ/mol  
12
29th Energy Level
596.00 kJ/mol  
99+
0.00 kJ/mol  
99+
30th Energy Level
596.70 kJ/mol  
99+
0.00 kJ/mol  
99+
Electrochemical Equivalent
2.10 g/amp-hr  
30
3.50 g/amp-hr  
11
Electron Work Function
2.40 eV  
99+
4.00 eV  
35
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility  
Chemical Stability, Ionization  
Atomic
Atomic Number
69  
99+
117  
1
Electron Configuration
[Xe] 4f13 6s2  
[Rn] 5f14 6d10 7s2 7p5  
Crystal Structure
Hexagonal Close Packed (HCP)  
Not Known  
Crystal Lattice
HCP-Crystal-Structure-of-Thulium.jpg#100  
Unknown-Crystal-Structure-of-Ununseptium.jpg#100  
Atom
  
  
Number of Protons
69  
99+
117  
1
Number of Neutrons
100  
33
167  
3
Number of Electrons
69  
99+
117  
1
Radius of an Atom
  
  
Atomic Radius
176.00 pm  
20
0.00 pm  
99+
Covalent Radius
160.00 pm  
32
0.00 pm  
99+
Van der Waals Radius
227.00 pm  
26
220.00 pm  
28
Atomic Weight
168.93 amu  
99+
294.00 amu  
1
Atomic Volume
18.10 cm3/mol  
40
15.00 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Erbium
  
No Previous Element  
Next Element
Ytterbium
  
Livermorium
  
Valence Electron Potential
49.70 (-eV)  
29
2.20 (-eV)  
99+
Lattice Constant
353.75 pm  
99+
330.25 pm  
99+
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.57  
40
1.65  
12
Mechanical
Density
  
  
Density At Room Temperature
9.32 g/cm3  
99+
7.10 g/cm3  
99+
Density When Liquid (at m.p.)
8.56 g/cm3  
99+
7.20 g/cm3  
99+
Tensile Strength
69.00 MPa  
32
80.00 MPa  
29
Viscosity
0.00  
19
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.06 (Pa)  
10
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.00 (Pa)  
99+
Elasticity properties
  
  
Shear Modulus
30.50 GPa  
26
25.00 GPa  
38
Bulk Modulus
44.50 GPa  
30
0.00 GPa  
99+
Young's Modulus
74.00 GPa  
29
12.40 GPa  
99+
Poisson Ratio
0.21  
32
0.34  
10
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
9.32  
99+
7.20  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
676.00 nΩ·m  
5
0.10 nΩ·m  
99+
Electrical Conductivity
0.02 106/cm Ω  
99+
-  
Electron Affinity
50.00 kJ/mol  
26
50.00 kJ/mol  
26
Thermal
Specific Heat
0.16 J/(kg K)  
36
0.14 J/(kg K)  
38
Molar Heat Capacity
27.03 J/mol·K  
28
27.20 J/mol·K  
24
Thermal Conductivity
16.90 W/m·K  
99+
0.20 W/m·K  
99+
Critical Temperature
1,818.00 K  
27
700.00 K  
99+
Thermal Expansion
13.30 µm/(m·K)  
35
7.10 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
191.00 kJ/mol  
99+
550.00 kJ/mol  
14
Enthalpy of Fusion
16.80 kJ/mol  
17
-  
Enthalpy of Atomization
247.00 kJ/mol  
99+
590.00 kJ/mol  
13
Standard Molar Entropy
74.00 J/mol.K  
9
50.00 J/mol.K  
99+
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