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Livermorium Bohrium Comparison

Livermorium
Bohrium
Bohrium Livermorium comparison


Periodic Table
Symbol
Lv  
Bh  
Group Number
16  
2
7  
11
Period Number
7  
7  
Block
p block  
d block  
Element Family
Probably Post-​Transition  
Transition Metal  
CAS Number
54100719  
3
54037148  
12
Space Group Name
-  
-  
Space Group Number
166.00  
9
276.00  
1
Facts
Interesting Facts
Livermorium was first synthesized in 2000 by a joint Russian-American research team.  
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
  
Sources
Synthetically Produced  
Found in Minerals, Mining, Synthetically Produced  
History
  
  
Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Gesellschaft für Schwerionenforschung  
Discovery
In 2000  
In 1981  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
37
Abundance In Sun
-  
-  
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
-  
0.00 %  
99+
Abundance In Oceans
-  
-  
Abundance In Humans
-  
-  
Uses
Uses & Benefits
  • Currently known uses of Livermorium metal are limited to research purpose only.
  
  • Currently known uses of Bohrium metal are limited to research purpose only.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Research Purposes  
Biological Properties
  
  
Toxicity
-  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
31
0.00 Blood/mg dm-3  
40
In Bone
0.50 p.p.m.  
22
0.00 p.p.m.  
99+
Physical
Melting Point
-  
-  
Boiling Point
3,500.00 °C  
18
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
-  
Luster
Unknown Luster  
Unknown Luster  
Hardness
  
  
Mohs Hardness
-  
7.00  
3
Brinell Hardness
350.00 MPa  
36
270.00 MPa  
99+
Vickers Hardness
400.00 MPa  
99+
2,700.00 MPa  
4
Speed of Sound
4,600.00 m/s  
21
2,680.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.90  
18
1.50  
36
Reflectivity
66.00 %  
17
59.00 %  
24
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Lv  
Bh  
Isotopes
  
  
Known Isotopes
5  
32
5  
32
Electronegativity
  
  
Pauling Electronegativity
2.00  
8
2.00  
8
Sanderson Electronegativity
1.90  
13
1.30  
25
Allred Rochow Electronegativity
1.90  
1
1.30  
25
Mulliken-Jaffe Electronegativity
1.90  
13
1.30  
33
Allen Electronegativity
1.90  
8
2.00  
6
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.00  
99+
Ionization Energies
  
  
1st Energy Level
723.60 kJ/mol  
28
742.90 kJ/mol  
23
2nd Energy Level
1,331.50 kJ/mol  
99+
1,688.50 kJ/mol  
31
3rd Energy Level
2,846.30 kJ/mol  
35
2,566.50 kJ/mol  
99+
4th Energy Level
3,811.20 kJ/mol  
99+
3,598.90 kJ/mol  
99+
5th Energy Level
6,078.60 kJ/mol  
99+
4,727.80 kJ/mol  
99+
6th Energy Level
7,090.00 kJ/mol  
99+
5,991.70 kJ/mol  
99+
7th Energy level
7,090.00 kJ/mol  
38
7,226.80 kJ/mol  
34
8th Energy Level
7,090.00 kJ/mol  
34
7,100.00 kJ/mol  
33
9th Energy Level
7,090.00 kJ/mol  
31
5,800.00 kJ/mol  
99+
10th Energy Level
5,800.00 kJ/mol  
99+
7,100.00 kJ/mol  
35
11th Energy Level
6,200.00 kJ/mol  
99+
8,200.00 kJ/mol  
25
12th Energy Level
7,090.00 kJ/mol  
99+
82,700.00 kJ/mol  
4
13th Energy Level
7,090.00 kJ/mol  
30
7,100.00 kJ/mol  
29
14th Energy Level
1,168.00 kJ/mol  
99+
8,200.00 kJ/mol  
17
15th Energy Level
70,900.00 kJ/mol  
26
82,000.00 kJ/mol  
14
16th Energy Level
58,000.00 kJ/mol  
99+
71,100.00 kJ/mol  
20
17th Energy Level
1,085.00 kJ/mol  
23
820.00 kJ/mol  
31
18th Energy Level
7,090.00 kJ/mol  
32
8,200.00 kJ/mol  
20
19th Energy Level
1,169.70 kJ/mol  
13
820.80 kJ/mol  
28
20th Energy Level
870.00 kJ/mol  
15
820.00 kJ/mol  
21
21st Energy Level
709.00 kJ/mol  
99+
8,200.00 kJ/mol  
11
22nd Energy Level
370.00 kJ/mol  
99+
820.00 kJ/mol  
16
23rd Energy Level
5,800.00 kJ/mol  
21
8,200.00 kJ/mol  
8
24th Energy Level
548.90 kJ/mol  
99+
820.00 kJ/mol  
12
25th Energy Level
709.00 kJ/mol  
27
820.00 kJ/mol  
10
26th Energy Level
709.00 kJ/mol  
26
820.00 kJ/mol  
10
27th Energy Level
709.00 kJ/mol  
26
820.00 kJ/mol  
9
28th Energy Level
709.00 kJ/mol  
31
820.00 kJ/mol  
15
29th Energy Level
709.00 kJ/mol  
32
820.00 kJ/mol  
14
30th Energy Level
709.00 kJ/mol  
26
820.00 kJ/mol  
10
Electrochemical Equivalent
3.00 g/amp-hr  
21
3.00 g/amp-hr  
21
Electron Work Function
4.90 eV  
12
4.90 eV  
12
Other Chemical Properties
Chemical Stability, Ionization  
Ionization, Radioactive Isotopes  
Atomic
Atomic Number
116  
2
107  
11
Electron Configuration
[Rn] 5f14 6d10 7s2 7p4  
[Rn] 5f14 6d5 7s2  
Crystal Structure
Not Known  
Hexagonal Close Packed (HCP)  
Crystal Lattice
Unknown-Crystal-Structure-of-Livermorium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
116  
2
107  
11
Number of Neutrons
160  
5
155  
9
Number of Electrons
116  
2
107  
11
Radius of an Atom
  
  
Atomic Radius
183.00 pm  
12
128.00 pm  
99+
Covalent Radius
183.00 pm  
22
141.00 pm  
99+
Van der Waals Radius
0.00 pm  
99+
0.00 pm  
99+
Atomic Weight
293.00 amu  
2
270.00 amu  
8
Atomic Volume
22.90 cm3/mol  
16
23.70 cm3/mol  
14
Adjacent Atomic Numbers
  
  
Previous Element
Moscovium
  
Seaborgium
  
Next Element
No Next Element  
Hassium
  
Valence Electron Potential
0.00 (-eV)  
99+
27.20 (-eV)  
99+
Lattice Constant
362.15 pm  
36
-  
Lattice Angles
-  
-  
Lattice C/A Ratio
1.60  
22
1.57  
99+
Mechanical
Density
  
  
Density At Room Temperature
12.90 g/cm3  
28
37.10 g/cm3  
3
Density When Liquid (at m.p.)
12.90 g/cm3  
30
37.10 g/cm3  
3
Tensile Strength
80.00 MPa  
29
152.00 MPa  
24
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
28.50 GPa  
30
28.00 GPa  
32
Bulk Modulus
42.00 GPa  
34
37.00 GPa  
99+
Young's Modulus
12.50 GPa  
99+
0.00 GPa  
99+
Poisson Ratio
0.30  
14
0.35  
9
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
12.00  
34
37.00  
5
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
10
0.00 H/m  
11
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
0.50 nΩ·m  
99+
6.50 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
-  
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.10 J/(kg K)  
99+
Molar Heat Capacity
27.00 J/mol·K  
29
37.10 J/mol·K  
2
Thermal Conductivity
0.00 W/m·K  
99+
37.00 W/m·K  
36
Critical Temperature
1,323.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
9.70 µm/(m·K)  
99+
14.30 µm/(m·K)  
28
Enthalpy
  
  
Enthalpy of Vaporization
722.00 kJ/mol  
3
270.50 kJ/mol  
99+
Enthalpy of Fusion
-  
-  
Enthalpy of Atomization
380.50 kJ/mol  
32
-  
Standard Molar Entropy
50.20 J/mol.K  
99+
57.00 J/mol.K  
30
Summary >>
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