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Thallium vs Livermorium

Thallium
Livermorium
Livermorium vs Thallium


Periodic Table
Symbol
Tl   
Lv   
Group Number
13   
5
16   
2
Period Number
6   
7   
Block
p block   
p block   
Element Family
Post-​Transition   
Probably Post-​Transition   
CAS Number
7440280   
99+
54100719   
3
Space Group Name
P63/mmc   
Not Available   
Space Group Number
194.00   
5
Not Available   
Facts
Interesting Facts
  • Compounds of Thallium metal are highly Toxic.
  • Thallium metal is being suspected as a human carcinogen.
  
Not Available   
Sources
Found As a By-product, Ores of metals, Ores of Minerals   
Synthetically Produced   
History
  
  
Who Discovered
William Crookes   
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory   
Discovery
In 1861   
In 2000   
Abundance
  
  
Abundance In Universe
5 * 10-9 %   
32
Not Available   
Abundance In Sun
~0.0000001 %   
26
~-9999 %   
Abundance In Meteorites
0.00 %   
99+
Not Available   
Abundance In Earth's Crust
0.00 %   
99+
Not Available   
Abundance In Oceans
0.00 %   
34
Not Available   
Uses
Uses & Benefits
  • 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.
  
  • Currently known uses of Livermorium metal are limited to research purpose only.
  
Industrial Uses
Chemical Industry   
NA   
Medical Uses
Medical Research   
NA   
Other Uses
Alloys   
Research Purposes   
Biological Properties
  
  
Toxicity
Highly Toxic   
Unknown   
Present in Human Body
Yes   
No   
In Blood
0.00 Blood/mg dm-3   
34
Not Available   
In Bone
0.00 p.p.m.   
33
Not Available   
Physical Properties
Melting Point
303.50 °C   
99+
Not Available   
Boiling Point
1,457.00 °C   
99+
Not Available   
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Unknown   
Luster
NA   
Unknown Luster   
Hardness
  
  
Mohs Hardness
1.20   
20
Not Available   
Brinell Hardness
26.50 MPa   
99+
Not Available   
Speed of Sound
818.00 m/s   
99+
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
Tl   
Lv   
Isotopes
  
  
Known Isotopes
32   
7
5   
32
Electronegativity
  
  
Pauling Electronegativity
1.62   
21
Not Available   
Sanderson Electronegativity
2.25   
5
Not Available   
Allred Rochow Electronegativity
1.44   
17
Not Available   
Mulliken-Jaffe Electronegativity
1.96   
6
Not Available   
Allen Electronegativity
1.79   
13
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.38   
33
Not Available   
Ionization Energies
  
  
1st Energy Level
589.40 kJ/mol   
99+
723.60 kJ/mol   
28
2nd Energy Level
1,971.00 kJ/mol   
14
1,331.50 kJ/mol   
99+
3rd Energy Level
2,878.00 kJ/mol   
32
2,846.30 kJ/mol   
34
4th Energy Level
Not Available   
3,811.20 kJ/mol   
99+
5th Energy Level
Not Available   
6,078.60 kJ/mol   
24
Electrochemical Equivalent
7.63 g/amp-hr   
2
Not Available   
Electron Work Function
3.84 eV   
28
Not Available   
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Ionization   
Atomic Properties
Atomic Number
81   
35
116   
2
Electron Configuration
[Xe] 4f14 5d10 6s2 6p1   
[Rn] 5f14 6d10 7s2 7p4   
Crystal Structure
Hexagonal Close Packed (HCP)   
Not Known   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
Unknown-Crystal-Structure-of-Livermorium.jpg#100   
Atom
  
  
Number of Protons
81   
35
116   
2
Number of Neutrons
123   
20
160   
4
Number of Electrons
81   
35
116   
2
Radius of an Atom
  
  
Atomic Radius
170.00 pm   
22
Not Available   
Covalent Radius
145.00 pm   
39
Not Available   
Van der Waals Radius
196.00 pm   
30
Not Available   
Atomic Weight
204.38 amu   
31
293.00 amu   
2
Atomic Volume
17.20 cm3/mol   
31
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Mercury
  
Moscovium
  
Next Element
Lead
  
No Next Element   
Valence Electron Potential
9.60 (-eV)   
99+
Not Available   
Lattice Constant
345.66 pm   
99+
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.60   
6
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
11.85 g/cm3   
31
Not Available   
Density When Liquid (at m.p.)
11.22 g/cm3   
13
Not Available   
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
16.90 (Pa)   
5
Not Available   
Elasticity properties
  
  
Shear Modulus
2.80 GPa   
99+
Not Available   
Bulk Modulus
43.00 GPa   
28
Not Available   
Young's Modulus
8.00 GPa   
99+
Not Available   
Poisson Ratio
0.45   
2
Not Available   
Other Mechanical Properties
Ductile, Sectile   
Unknown   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
11.85   
22
Not Available   
Magnetic Ordering
Diamagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Unknown   
Resistivity
0.18 nΩ·m   
99+
Not Available   
Electrical Conductivity
0.06 106/cm Ω   
32
Not Available   
Electron Affinity
19.20 kJ/mol   
32
Not Available   
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
Not Available   
Molar Heat Capacity
26.32 J/mol·K   
29
Not Available   
Thermal Conductivity
46.10 W/m·K   
33
Not Available   
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
29.90 µm/(m·K)   
12
Not Available   
Enthalpy
  
  
Enthalpy of Vaporization
162.10 kJ/mol   
99+
Not Available   
Enthalpy of Fusion
4.27 kJ/mol   
99+
Not Available   
Enthalpy of Atomization
179.90 kJ/mol   
99+
Not Available   
Standard Molar Entropy
64.20 J/mol.K   
19
Not Available   
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