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Mercury Bohrium Comparison

Mercury
Bohrium
Bohrium Mercury comparison


Periodic Table
Symbol
Hg  
Bh  
Group Number
12  
6
7  
11
Period Number
6  
7  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7439976  
99+
54037148  
12
Space Group Name
R_ 3m  
-  
Space Group Number
166.00  
9
276.00  
1
Facts
Interesting Facts
  • At room temperature mercury is found in a liquid state.
  • A coin of pound or rupees floats in mercury.
  • Because of its low melting point and boiling point it is used in thermometers.
  
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
  
Sources
Mining, Ores of Minerals  
Found in Minerals, Mining, Synthetically Produced  
History
  
  
Who Discovered
Ancient Chinese and Indians  
Gesellschaft für Schwerionenforschung  
Discovery
Before 2000 BCE  
In 1981  
Abundance
  
  
Abundance In Universe
0.09 %  
2
0.00 %  
37
Abundance In Sun
0.00 %  
30
-  
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
0.05 %  
9
0.00 %  
99+
Abundance In Oceans
-  
-  
Abundance In Humans
0.00 %  
24
-  
Uses
Uses & Benefits
  • It is a liquid metal at room temperature, but it is a toxic heavy metal and hence many uses of mercury are under review or phased out.
  • It is manly used as a catalysts in chemical industry.
  
  • Currently known uses of Bohrium metal are limited to research purpose only.
  
Industrial Uses
Electrical Industry, Electronic Industry  
-  
Medical Uses
Dentistry  
-  
Other Uses
Alloys, Mirror Manufacturing, Pharmaceutical Industry  
Research Purposes  
Biological Properties
  
  
Toxicity
Highly Toxic  
-  
Present in Human Body
Yes  
No  
In Blood
0.01 Blood/mg dm-3  
23
0.00 Blood/mg dm-3  
40
In Bone
0.45 p.p.m.  
23
0.00 p.p.m.  
99+
Physical
Melting Point
-38.83 °C  
99+
-  
Boiling Point
356.58 °C  
99+
0.00 °C  
99+
Appearance
  
  
Physical State
Liquid  
Solid  
Color
Silver  
-  
Luster
-  
Unknown Luster  
Hardness
  
  
Mohs Hardness
1.50  
19
7.00  
3
Brinell Hardness
5.00 MPa  
99+
270.00 MPa  
99+
Vickers Hardness
0.00 MPa  
99+
2,700.00 MPa  
4
Speed of Sound
1,451.40 m/s  
99+
2,680.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.00  
99+
1.50  
36
Reflectivity
73.00 %  
10
59.00 %  
24
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Hg  
Bh  
Isotopes
  
  
Known Isotopes
34  
5
5  
32
Electronegativity
  
  
Pauling Electronegativity
2.00  
8
2.00  
8
Sanderson Electronegativity
2.20  
8
1.30  
25
Allred Rochow Electronegativity
1.44  
18
1.30  
25
Mulliken-Jaffe Electronegativity
1.81  
17
1.30  
33
Allen Electronegativity
1.44  
34
2.00  
6
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.00  
99+
Ionization Energies
  
  
1st Energy Level
1,007.10 kJ/mol  
4
742.90 kJ/mol  
23
2nd Energy Level
1,810.00 kJ/mol  
21
1,688.50 kJ/mol  
31
3rd Energy Level
3,300.00 kJ/mol  
20
2,566.50 kJ/mol  
99+
4th Energy Level
1,007.10 kJ/mol  
99+
3,598.90 kJ/mol  
99+
5th Energy Level
1,007.00 kJ/mol  
99+
4,727.80 kJ/mol  
99+
6th Energy Level
1,007.00 kJ/mol  
99+
5,991.70 kJ/mol  
99+
7th Energy level
1,007.00 kJ/mol  
99+
7,226.80 kJ/mol  
34
8th Energy Level
1,007.00 kJ/mol  
99+
7,100.00 kJ/mol  
33
9th Energy Level
1,007.00 kJ/mol  
99+
5,800.00 kJ/mol  
99+
10th Energy Level
1,007.00 kJ/mol  
99+
7,100.00 kJ/mol  
35
11th Energy Level
1,007.00 kJ/mol  
99+
8,200.00 kJ/mol  
25
12th Energy Level
1,007.00 kJ/mol  
99+
82,700.00 kJ/mol  
4
13th Energy Level
1,007.00 kJ/mol  
99+
7,100.00 kJ/mol  
29
14th Energy Level
1,007.00 kJ/mol  
99+
8,200.00 kJ/mol  
17
15th Energy Level
100,700.00 kJ/mol  
1
82,000.00 kJ/mol  
14
16th Energy Level
1,007.00 kJ/mol  
99+
71,100.00 kJ/mol  
20
17th Energy Level
1,007.00 kJ/mol  
24
820.00 kJ/mol  
31
18th Energy Level
1,007.00 kJ/mol  
99+
8,200.00 kJ/mol  
20
19th Energy Level
1,007.10 kJ/mol  
20
820.80 kJ/mol  
28
20th Energy Level
1,007.00 kJ/mol  
11
820.00 kJ/mol  
21
21st Energy Level
1,007.00 kJ/mol  
33
8,200.00 kJ/mol  
11
22nd Energy Level
1,007.00 kJ/mol  
8
820.00 kJ/mol  
16
23rd Energy Level
1,007.00 kJ/mol  
36
8,200.00 kJ/mol  
8
24th Energy Level
1,007.10 kJ/mol  
3
820.00 kJ/mol  
12
25th Energy Level
1,007.10 kJ/mol  
3
820.00 kJ/mol  
10
26th Energy Level
1,007.10 kJ/mol  
3
820.00 kJ/mol  
10
27th Energy Level
1,007.10 kJ/mol  
2
820.00 kJ/mol  
9
28th Energy Level
1,007.10 kJ/mol  
5
820.00 kJ/mol  
15
29th Energy Level
1,007.10 kJ/mol  
6
820.00 kJ/mol  
14
30th Energy Level
1,007.10 kJ/mol  
3
820.00 kJ/mol  
10
Electrochemical Equivalent
3.74 g/amp-hr  
10
3.00 g/amp-hr  
21
Electron Work Function
4.49 eV  
20
4.90 eV  
12
Other Chemical Properties
Flammability, Ionization, Solubility  
Ionization, Radioactive Isotopes  
Atomic
Atomic Number
80  
36
107  
11
Electron Configuration
[Xe] 4f14 5d10 6s2  
[Rn] 5f14 6d5 7s2  
Crystal Structure
Rhombohedral (RHO)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
RHO-Crystal-Structure-of-Mercury.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
80  
36
107  
11
Number of Neutrons
121  
23
155  
9
Number of Electrons
80  
36
107  
11
Radius of an Atom
  
  
Atomic Radius
151.00 pm  
34
128.00 pm  
99+
Covalent Radius
132.00 pm  
99+
141.00 pm  
99+
Van der Waals Radius
155.00 pm  
99+
0.00 pm  
99+
Atomic Weight
200.59 amu  
32
270.00 amu  
8
Atomic Volume
14.82 cm3/mol  
99+
23.70 cm3/mol  
14
Adjacent Atomic Numbers
  
  
Previous Element
Gold
  
Seaborgium
  
Next Element
Thallium
  
Hassium
  
Valence Electron Potential
28.20 (-eV)  
99+
27.20 (-eV)  
99+
Lattice Constant
300.50 pm  
99+
-  
Lattice Angles
-  
-  
Lattice C/A Ratio
0.42  
99+
1.57  
99+
Mechanical
Density
  
  
Density At Room Temperature
13.53 g/cm3  
25
37.10 g/cm3  
3
Density When Liquid (at m.p.)
13.55 g/cm3  
27
37.10 g/cm3  
3
Tensile Strength
15.00 MPa  
99+
152.00 MPa  
24
Viscosity
0.00  
4
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
28.00 GPa  
32
Bulk Modulus
25.00 GPa  
99+
37.00 GPa  
99+
Young's Modulus
45.00 GPa  
99+
0.00 GPa  
99+
Poisson Ratio
0.44  
3
0.35  
9
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
13.53  
27
37.00  
5
Magnetic Ordering
Diamagnetic  
-  
Permeability
0.00 H/m  
10
0.00 H/m  
11
Susceptibility
0.00  
20
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
961.00 nΩ·m  
1
6.50 nΩ·m  
99+
Electrical Conductivity
0.01 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
0.00 kJ/mol  
99+
-  
Thermal
Specific Heat
0.14 J/(kg K)  
39
0.10 J/(kg K)  
99+
Molar Heat Capacity
27.98 J/mol·K  
16
37.10 J/mol·K  
2
Thermal Conductivity
8.30 W/m·K  
99+
37.00 W/m·K  
36
Critical Temperature
1,750.00 K  
33
1,323.00 K  
99+
Thermal Expansion
60.40 µm/(m·K)  
5
14.30 µm/(m·K)  
28
Enthalpy
  
  
Enthalpy of Vaporization
56.90 kJ/mol  
99+
270.50 kJ/mol  
99+
Enthalpy of Fusion
2.29 kJ/mol  
99+
-  
Enthalpy of Atomization
61.50 kJ/mol  
99+
-  
Standard Molar Entropy
75.80 J/mol.K  
6
57.00 J/mol.K  
30
Summary >>
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