Home
Compare Metals


Hassium vs Thulium


Thulium vs Hassium


Periodic Table

Symbol
Hs  
Tm  

Group Number
8  
10
3  
15

Period Number
7  
6  

Block
d block  
f block  

Element Family
Transition Metal  
Lanthanide  

CAS Number
54037579  
11
7440304  
99+

Space Group Name
-  
P63/mmc  

Space Group Number
166.00  
9
194.00  
7

Facts

Interesting Facts
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
  

Sources
Synthetically Produced  
Found in Minerals, Mining, Ores of Minerals  

History
  
  

Who Discovered
Gesellschaft für Schwerionenforschung  
Per Teodor Cleve  

Discovery
In 1984  
In 1879  

Abundance
  
  

Abundance In Universe
0.00 %  
40
0.00 %  
31

Abundance In Sun
-  
0.00 %  
28

Abundance In Meteorites
0.00 %  
99+
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
  • Currently known uses of Hassium metal are limited to research purpose only.
  
  • 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
-  
-  

Medical Uses
-  
-  

Other Uses
Research Purposes  
Alloys, Nuclear Research, Research Purposes  

Biological Properties
  
  

Toxicity
-  
-  

Present in Human Body
No  
No  

In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
37

In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+

Physical

Melting Point
-  
1,545.00 °C  
23

Boiling Point
0.00 °C  
99+
1,730.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silver  
Silvery Gray  

Luster
-  
Metallic  

Hardness
  
  

Mohs Hardness
4.50  
10
2.25  
16

Brinell Hardness
230.00 MPa  
99+
471.00 MPa  
30

Vickers Hardness
2,450.00 MPa  
5
520.00 MPa  
33

Speed of Sound
2,760.00 m/s  
99+
2,760.00 m/s  
99+

Optical Properties
  
  

Refractive Index
1.30  
99+
1.60  
33

Reflectivity
69.00 %  
14
35.00 %  
34

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Hs  
Tm  

Isotopes
  
  

Known Isotopes
7  
31
32  
7

Electronegativity
  
  

Pauling Electronegativity
2.20  
5
1.25  
36

Sanderson Electronegativity
1.30  
25
1.25  
28

Allred Rochow Electronegativity
1.30  
25
1.11  
30

Mulliken-Jaffe Electronegativity
1.30  
33
1.25  
35

Allen Electronegativity
1.30  
40
1.25  
99+

Electropositivity
  
  

Pauling Electropositivity
2.00  
99+
2.75  
19

Ionization Energies
  
  

1st Energy Level
733.30 kJ/mol  
26
596.70 kJ/mol  
99+

2nd Energy Level
1,756.00 kJ/mol  
25
1,160.00 kJ/mol  
99+

3rd Energy Level
2,827.00 kJ/mol  
37
2,285.00 kJ/mol  
99+

4th Energy Level
3,637.50 kJ/mol  
99+
4,120.00 kJ/mol  
99+

5th Energy Level
4,940.00 kJ/mol  
99+
5,960.00 kJ/mol  
99+

6th Energy Level
6,175.10 kJ/mol  
99+
5,960.00 kJ/mol  
99+

7th Energy level
7,535.50 kJ/mol  
32
5,960.00 kJ/mol  
99+

8th Energy Level
8,857.40 kJ/mol  
21
5,960.00 kJ/mol  
99+

9th Energy Level
5,400.00 kJ/mol  
99+
5,960.00 kJ/mol  
99+

10th Energy Level
6,100.00 kJ/mol  
99+
5,960.00 kJ/mol  
99+

11th Energy Level
6,100.00 kJ/mol  
99+
5,960.00 kJ/mol  
99+

12th Energy Level
3,500.00 kJ/mol  
99+
5,960.00 kJ/mol  
99+

13th Energy Level
4,200.00 kJ/mol  
99+
5,960.00 kJ/mol  
99+

14th Energy Level
1,124.00 kJ/mol  
99+
5,960.00 kJ/mol  
35

15th Energy Level
68,200.00 kJ/mol  
31
59,600.00 kJ/mol  
99+

16th Energy Level
32,800.00 kJ/mol  
99+
59,600.00 kJ/mol  
36

17th Energy Level
1,089.00 kJ/mol  
22
596.70 kJ/mol  
99+

18th Energy Level
3,300.00 kJ/mol  
99+
5,960.00 kJ/mol  
99+

19th Energy Level
1,086.50 kJ/mol  
19
596.00 kJ/mol  
99+

20th Energy Level
880.00 kJ/mol  
14
596.00 kJ/mol  
99+

21st Energy Level
1,086.00 kJ/mol  
30
596.70 kJ/mol  
99+

22nd Energy Level
350.00 kJ/mol  
99+
596.00 kJ/mol  
99+

23rd Energy Level
1,120.00 kJ/mol  
34
596.70 kJ/mol  
99+

24th Energy Level
540.90 kJ/mol  
99+
596.00 kJ/mol  
99+

25th Energy Level
610.00 kJ/mol  
99+
596.00 kJ/mol  
99+

26th Energy Level
587.40 kJ/mol  
99+
596.70 kJ/mol  
99+

27th Energy Level
880.00 kJ/mol  
5
596.70 kJ/mol  
99+

28th Energy Level
840.00 kJ/mol  
14
596.70 kJ/mol  
99+

29th Energy Level
867.80 kJ/mol  
11
596.00 kJ/mol  
99+

30th Energy Level
0.00 kJ/mol  
99+
596.70 kJ/mol  
99+

Electrochemical Equivalent
3.00 g/amp-hr  
21
2.10 g/amp-hr  
30

Electron Work Function
4.90 eV  
12
2.40 eV  
99+

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Solubility  

Atomic

Atomic Number
108  
10
69  
99+

Electron Configuration
[Rn] 5f14 6d6 7s2  
[Xe] 4f13 6s2  

Crystal Structure
Hexagonal Close Packed (HCP)  
Hexagonal Close Packed (HCP)  

Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Thulium.jpg#100  

Atom
  
  

Number of Protons
108  
10
69  
99+

Number of Neutrons
158  
7
100  
33

Number of Electrons
108  
10
69  
99+

Radius of an Atom
  
  

Atomic Radius
126.00 pm  
99+
176.00 pm  
20

Covalent Radius
134.00 pm  
99+
160.00 pm  
32

Van der Waals Radius
0.00 pm  
99+
227.00 pm  
26

Atomic Weight
269.00 amu  
9
168.93 amu  
99+

Atomic Volume
22.70 cm3/mol  
18
18.10 cm3/mol  
40

Adjacent Atomic Numbers
  
  

Previous Element
Bohrium
  
Erbium
  

Next Element
Ytterbium
  

Valence Electron Potential
0.00 (-eV)  
99+
49.70 (-eV)  
29

Lattice Constant
-  
353.75 pm  
99+

Lattice Angles
-  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.31  
99+
1.57  
40

Mechanical

Density
  
  

Density At Room Temperature
40.70 g/cm3  
1
9.32 g/cm3  
99+

Density When Liquid (at m.p.)
41.00 g/cm3  
1
8.56 g/cm3  
99+

Tensile Strength
80.00 MPa  
29
69.00 MPa  
32

Viscosity
0.00  
27
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)  
30
0.00 (Pa)  
37

Elasticity properties
  
  

Shear Modulus
40.00 GPa  
19
30.50 GPa  
26

Bulk Modulus
40.00 GPa  
38
44.50 GPa  
30

Young's Modulus
40.00 GPa  
99+
74.00 GPa  
29

Poisson Ratio
0.34  
10
0.21  
32

Other Mechanical Properties
-  
Ductile, Malleable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
41.00  
2
9.32  
99+

Magnetic Ordering
-  
Paramagnetic  

Permeability
0.00 H/m  
8
0.00 H/m  
17

Susceptibility
0.00  
25
0.00  
24

Electrical Properties
  
  

Electrical Property
-  
Conductor  

Resistivity
41.00 nΩ·m  
99+
676.00 nΩ·m  
5

Electrical Conductivity
0.00 106/cm Ω  
99+
0.02 106/cm Ω  
99+

Electron Affinity
63.20 kJ/mol  
19
50.00 kJ/mol  
26

Thermal

Specific Heat
0.13 J/(kg K)  
99+
0.16 J/(kg K)  
36

Molar Heat Capacity
25.92 J/mol·K  
99+
27.03 J/mol·K  
28

Thermal Conductivity
0.00 W/m·K  
99+
16.90 W/m·K  
99+

Critical Temperature
1,323.00 K  
99+
1,818.00 K  
27

Thermal Expansion
21.20 µm/(m·K)  
23
13.30 µm/(m·K)  
35

Enthalpy
  
  

Enthalpy of Vaporization
126.00 kJ/mol  
99+
191.00 kJ/mol  
99+

Enthalpy of Fusion
-  
16.80 kJ/mol  
17

Enthalpy of Atomization
-  
247.00 kJ/mol  
99+

Standard Molar Entropy
57.20 J/mol.K  
29
74.00 J/mol.K  
9

Periodic Table >>
<< All

Compare Transition Metals

Transition Metals

Transition Metals

» More Transition Metals

Compare Transition Metals

» More Compare Transition Metals