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Thulium Hassium Comparison


Hassium Thulium comparison


Periodic Table

Symbol
Tm   
Hs   

Group Number
Not Available   
8   
10

Period Number
6   
7   

Block
f block   
d block   

Element Family
Lanthanide   
Transition Metal   

CAS Number
7440304   
99+
54037579   
11

Space Group Name
P63/mmc   
Not Available   

Space Group Number
194.00   
5
Not Available   

Facts

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

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

History
  
  

Who Discovered
Per Teodor Cleve   
Gesellschaft für Schwerionenforschung   

Discovery
In 1879   
In 1984   

Abundance
  
  

Abundance In Universe
1 * 10-8 %   
30
Not Available   

Abundance In Sun
~0.00000002 %   
28
~-9999 %   

Abundance In Meteorites
0.00 %   
99+
Not Available   

Abundance In Earth's Crust
0.00 %   
99+
Not Available   

Abundance In Oceans
0.00 %   
99+
Not Available   

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 Hassium metal are limited to research purpose only.
  

Industrial Uses
NA   
NA   

Medical Uses
NA   
NA   

Other Uses
Alloys, Nuclear Research, Research Purposes   
Research Purposes   

Biological Properties
  
  

Present in Human Body
No   
No   

In Blood
Not Available   
0.00 Blood/mg dm-3   
37

In Bone
Not Available   
0.00 p.p.m.   
36

Physical Properties

Melting Point
1,545.00 °C   
23
Not Available   

Boiling Point
1,730.00 °C   
99+
Not Available   

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery Gray   
Silver   

Luster
Metallic   
NA   

Hardness
  
  

Brinell Hardness
471.00 MPa   
25
Not Available   

Vickers Hardness
520.00 MPa   
21
Not Available   

Speed of Sound
Not Available   
Not Available   

Optical Properties
  
  

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

Chemical Properties

Chemical Formula
Tm   
Hs   

Isotopes
  
  

Known Isotopes
32   
7
7   
31

Electronegativity
  
  

Pauling Electronegativity
1.25   
35
Not Available   

Allred Rochow Electronegativity
1.11   
29
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.75   
19
Not Available   

Ionization Energies
  
  

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

2nd Energy Level
1,160.00 kJ/mol   
99+
1,756.00 kJ/mol   
24

3rd Energy Level
2,285.00 kJ/mol   
99+
2,827.00 kJ/mol   
36

4th Energy Level
4,120.00 kJ/mol   
33
3,637.50 kJ/mol   
99+

5th Energy Level
Not Available   
4,940.00 kJ/mol   
34

6th Energy Level
Not Available   
6,175.10 kJ/mol   
23

7th Energy level
Not Available   
7,535.50 kJ/mol   
21

8th Energy Level
Not Available   
8,857.40 kJ/mol   
20

Electrochemical Equivalent
2.10 g/amp-hr   
26
Not Available   

Electron Work Function
Not Available   
Not Available   

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

Atomic Properties

Atomic Number
69   
99+
108   
10

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

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

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

Atom
  
  

Number of Protons
69   
99+
108   
10

Number of Neutrons
100   
32
158   
6

Number of Electrons
69   
99+
108   
10

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
126.00 pm   
99+

Covalent Radius
160.00 pm   
30
134.00 pm   
99+

Atomic Weight
168.93 amu   
99+
269.00 amu   
9

Atomic Volume
18.10 cm3/mol   
28
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Erbium
  
Bohrium
  

Next Element
Ytterbium
  
Meitnerium
  

Valence Electron Potential
49.70 (-eV)   
28
Not Available   

Lattice Constant
353.75 pm   
40
Not Available   

Lattice Angles
π/2, π/2, 2 π/3   
NA   

Lattice C/A Ratio
1.57   
17
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
9.32 g/cm3   
40
40.70 g/cm3   
1

Density When Liquid (at m.p.)
8.56 g/cm3   
24
Not Available   

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.06 (Pa)   
10
Not Available   

Elasticity properties
  
  

Shear Modulus
30.50 GPa   
22
Not Available   

Bulk Modulus
44.50 GPa   
26
Not Available   

Young's Modulus
74.00 GPa   
27
Not Available   

Poisson Ratio
0.21   
31
Not Available   

Other Mechanical Properties
Ductile, Malleable   
Unknown   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
9.32   
31
Not Available   

Magnetic Ordering
Paramagnetic   
Unknown   

Electrical Properties
  
  

Electrical Property
Conductor   
Unknown   

Resistivity
676.00 nΩ·m   
5
Not Available   

Electrical Conductivity
0.02 106/cm Ω   
99+
Not Available   

Electron Affinity
50.00 kJ/mol   
21
Not Available   

Thermal Properties

Specific Heat
0.16 J/(kg K)   
35
Not Available   

Molar Heat Capacity
27.03 J/mol·K   
22
Not Available   

Thermal Conductivity
16.90 W/m·K   
99+
Not Available   

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
13.30 µm/(m·K)   
29
Not Available   

Enthalpy
  
  

Enthalpy of Vaporization
191.00 kJ/mol   
99+
Not Available   

Enthalpy of Fusion
16.80 kJ/mol   
17
Not Available   

Enthalpy of Atomization
247.00 kJ/mol   
99+
Not Available   

Standard Molar Entropy
74.00 J/mol.K   
9
Not Available   

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