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Hassium vs Thallium

Hassium
Thallium
Thallium vs Hassium


Periodic Table
Symbol
Hs  
Tl  
Group Number
8  
10
13  
5
Period Number
7  
6  
Block
d block  
p block  
Element Family
Transition Metal  
Post-​Transition  
CAS Number
54037579  
11
7440280  
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.
  
  • Compounds of Thallium metal are highly Toxic.
  • Thallium metal is being suspected as a human carcinogen.
  
Sources
Synthetically Produced  
Found As a By-product, Ores of metals, Ores of Minerals  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
William Crookes  
Discovery
In 1984  
In 1861  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
33
Abundance In Sun
-  
0.00 %  
26
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
-  
0.00 %  
99+
Abundance In Oceans
-  
0.00 %  
34
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Hassium metal are limited to research purpose only.
  
  • Thallium is a toxic metal and hence it has limited uses. Thallium metal is mostly used for producing photoelectric cells.
  • In thermometer’s mercury alloy has 8% of thallium, as it has a melting point lower than 20°C.
  
Industrial Uses
-  
Chemical Industry  
Medical Uses
-  
Medical Research  
Other Uses
Research Purposes  
Alloys  
Biological Properties
  
  
Toxicity
-  
Highly Toxic  
Present in Human Body
No  
Yes  
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.  
38
Physical
Melting Point
-  
303.50 °C  
99+
Boiling Point
0.00 °C  
99+
1,457.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silvery White  
Luster
-  
-  
Hardness
  
  
Mohs Hardness
4.50  
10
1.20  
21
Brinell Hardness
230.00 MPa  
99+
26.50 MPa  
99+
Vickers Hardness
2,450.00 MPa  
5
120.00 MPa  
99+
Speed of Sound
2,760.00 m/s  
99+
818.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.30  
99+
1.90  
18
Reflectivity
69.00 %  
14
8.00 %  
37
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Hs  
Tl  
Isotopes
  
  
Known Isotopes
7  
31
32  
7
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
1.62  
22
Sanderson Electronegativity
1.30  
25
2.25  
6
Allred Rochow Electronegativity
1.30  
25
1.44  
18
Mulliken-Jaffe Electronegativity
1.30  
33
1.96  
11
Allen Electronegativity
1.30  
40
1.79  
16
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.38  
33
Ionization Energies
  
  
1st Energy Level
733.30 kJ/mol  
26
589.40 kJ/mol  
99+
2nd Energy Level
1,756.00 kJ/mol  
25
1,971.00 kJ/mol  
14
3rd Energy Level
2,827.00 kJ/mol  
37
2,878.00 kJ/mol  
32
4th Energy Level
3,637.50 kJ/mol  
99+
5,890.00 kJ/mol  
17
5th Energy Level
4,940.00 kJ/mol  
99+
5,890.00 kJ/mol  
99+
6th Energy Level
6,175.10 kJ/mol  
99+
5,890.00 kJ/mol  
99+
7th Energy level
7,535.50 kJ/mol  
32
5,890.00 kJ/mol  
99+
8th Energy Level
8,857.40 kJ/mol  
21
5,890.00 kJ/mol  
99+
9th Energy Level
5,400.00 kJ/mol  
99+
5,890.00 kJ/mol  
99+
10th Energy Level
6,100.00 kJ/mol  
99+
5,890.00 kJ/mol  
99+
11th Energy Level
6,100.00 kJ/mol  
99+
5,890.00 kJ/mol  
99+
12th Energy Level
3,500.00 kJ/mol  
99+
5,890.00 kJ/mol  
99+
13th Energy Level
4,200.00 kJ/mol  
99+
5,890.00 kJ/mol  
99+
14th Energy Level
1,124.00 kJ/mol  
99+
5,890.00 kJ/mol  
37
15th Energy Level
68,200.00 kJ/mol  
31
58,900.00 kJ/mol  
99+
16th Energy Level
32,800.00 kJ/mol  
99+
58,900.00 kJ/mol  
38
17th Energy Level
1,089.00 kJ/mol  
22
589.40 kJ/mol  
99+
18th Energy Level
3,300.00 kJ/mol  
99+
5,890.00 kJ/mol  
99+
19th Energy Level
1,086.50 kJ/mol  
19
589.40 kJ/mol  
99+
20th Energy Level
880.00 kJ/mol  
14
589.00 kJ/mol  
99+
21st Energy Level
1,086.00 kJ/mol  
30
589.40 kJ/mol  
99+
22nd Energy Level
350.00 kJ/mol  
99+
589.00 kJ/mol  
99+
23rd Energy Level
1,120.00 kJ/mol  
34
589.40 kJ/mol  
99+
24th Energy Level
540.90 kJ/mol  
99+
589.40 kJ/mol  
99+
25th Energy Level
610.00 kJ/mol  
99+
589.40 kJ/mol  
99+
26th Energy Level
587.40 kJ/mol  
99+
589.40 kJ/mol  
99+
27th Energy Level
880.00 kJ/mol  
5
589.40 kJ/mol  
99+
28th Energy Level
840.00 kJ/mol  
14
589.40 kJ/mol  
99+
29th Energy Level
867.80 kJ/mol  
11
589.40 kJ/mol  
99+
30th Energy Level
0.00 kJ/mol  
99+
589.40 kJ/mol  
99+
Electrochemical Equivalent
3.00 g/amp-hr  
21
7.63 g/amp-hr  
2
Electron Work Function
4.90 eV  
12
3.84 eV  
39
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Corrosion, Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
108  
10
81  
35
Electron Configuration
[Rn] 5f14 6d6 7s2  
[Xe] 4f14 5d10 6s2 6p1  
Crystal Structure
Hexagonal Close Packed (HCP)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
108  
10
81  
35
Number of Neutrons
158  
7
123  
21
Number of Electrons
108  
10
81  
35
Radius of an Atom
  
  
Atomic Radius
126.00 pm  
99+
170.00 pm  
24
Covalent Radius
134.00 pm  
99+
145.00 pm  
99+
Van der Waals Radius
0.00 pm  
99+
196.00 pm  
37
Atomic Weight
269.00 amu  
9
204.38 amu  
31
Atomic Volume
22.70 cm3/mol  
18
17.20 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Bohrium
  
Mercury
  
Next Element
Meitnerium
  
Lead
  
Valence Electron Potential
0.00 (-eV)  
99+
9.60 (-eV)  
99+
Lattice Constant
-  
345.66 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.31  
99+
1.60  
23
Mechanical
Density
  
  
Density At Room Temperature
40.70 g/cm3  
1
11.85 g/cm3  
33
Density When Liquid (at m.p.)
41.00 g/cm3  
1
11.22 g/cm3  
33
Tensile Strength
80.00 MPa  
29
47.00 MPa  
39
Viscosity
0.00  
27
0.00  
22
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
16.90 (Pa)  
5
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
38
Elasticity properties
  
  
Shear Modulus
40.00 GPa  
19
2.80 GPa  
99+
Bulk Modulus
40.00 GPa  
38
43.00 GPa  
33
Young's Modulus
40.00 GPa  
99+
8.00 GPa  
99+
Poisson Ratio
0.34  
10
0.45  
2
Other Mechanical Properties
-  
Ductile, Sectile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
41.00  
2
11.85  
35
Magnetic Ordering
-  
Diamagnetic  
Permeability
0.00 H/m  
8
0.00 H/m  
17
Susceptibility
0.00  
25
0.00  
28
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
41.00 nΩ·m  
99+
0.18 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.06 106/cm Ω  
37
Electron Affinity
63.20 kJ/mol  
19
19.20 kJ/mol  
38
Thermal
Specific Heat
0.13 J/(kg K)  
99+
0.13 J/(kg K)  
40
Molar Heat Capacity
25.92 J/mol·K  
99+
26.32 J/mol·K  
37
Thermal Conductivity
0.00 W/m·K  
99+
46.10 W/m·K  
33
Critical Temperature
1,323.00 K  
99+
577.00 K  
99+
Thermal Expansion
21.20 µm/(m·K)  
23
29.90 µm/(m·K)  
12
Enthalpy
  
  
Enthalpy of Vaporization
126.00 kJ/mol  
99+
162.10 kJ/mol  
99+
Enthalpy of Fusion
-  
4.27 kJ/mol  
99+
Enthalpy of Atomization
-  
179.90 kJ/mol  
99+
Standard Molar Entropy
57.20 J/mol.K  
29
64.20 J/mol.K  
20
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