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Dubnium vs Mercury

Dubnium
Mercury
Mercury vs Dubnium


Periodic Table
Symbol
Db  
Hg  
Group Number
5  
13
12  
6
Period Number
7  
6  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
53850354  
14
7439976  
99+
Space Group Name
-  
R_ 3m  
Space Group Number
166.00  
9
166.00  
9
Facts
Interesting Facts
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
  
  • 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.
  
Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced  
Mining, Ores of Minerals  
History
  
  
Who Discovered
Joint Institute for Nuclear Research  
Ancient Chinese and Indians  
Discovery
In 1968  
Before 2000 BCE  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.09 %  
2
Abundance In Sun
-  
0.00 %  
30
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
-  
0.05 %  
9
Abundance In Oceans
-  
-  
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Dubnium metal are limited to research purpose only.
  
  • 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.
  
Industrial Uses
-  
Electrical Industry, Electronic Industry  
Medical Uses
-  
Dentistry  
Other Uses
Research Purposes  
Alloys, Mirror Manufacturing, Pharmaceutical Industry  
Biological Properties
  
  
Toxicity
-  
Highly Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.01 Blood/mg dm-3  
23
In Bone
0.00 p.p.m.  
99+
0.45 p.p.m.  
23
Physical
Melting Point
-  
-38.83 °C  
99+
Boiling Point
0.00 °C  
99+
356.58 °C  
99+
Appearance
  
  
Physical State
Solid  
Liquid  
Color
-  
Silver  
Luster
Unknown Luster  
-  
Hardness
  
  
Mohs Hardness
6.00  
6
1.50  
19
Brinell Hardness
330.00 MPa  
38
5.00 MPa  
99+
Vickers Hardness
400.00 MPa  
99+
0.00 MPa  
99+
Speed of Sound
2,680.00 m/s  
99+
1,451.40 m/s  
99+
Optical Properties
  
  
Refractive Index
1.20  
99+
1.00  
99+
Reflectivity
55.00 %  
27
73.00 %  
10
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Db  
Hg  
Isotopes
  
  
Known Isotopes
10  
28
34  
5
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
2.00  
8
Sanderson Electronegativity
1.30  
25
2.20  
8
Allred Rochow Electronegativity
1.30  
25
1.44  
18
Mulliken-Jaffe Electronegativity
1.10  
99+
1.81  
17
Allen Electronegativity
1.30  
40
1.44  
34
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.00  
99+
Ionization Energies
  
  
1st Energy Level
664.80 kJ/mol  
38
1,007.10 kJ/mol  
4
2nd Energy Level
1,546.70 kJ/mol  
39
1,810.00 kJ/mol  
21
3rd Energy Level
2,378.40 kJ/mol  
99+
3,300.00 kJ/mol  
20
4th Energy Level
3,298.80 kJ/mol  
99+
1,007.10 kJ/mol  
99+
5th Energy Level
4,305.20 kJ/mol  
99+
1,007.00 kJ/mol  
99+
6th Energy Level
12,900.00 kJ/mol  
5
1,007.00 kJ/mol  
99+
7th Energy level
3,300.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
8th Energy Level
5,280.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
9th Energy Level
5,780.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
10th Energy Level
8,830.00 kJ/mol  
22
1,007.00 kJ/mol  
99+
11th Energy Level
3,300.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
12th Energy Level
88,300.00 kJ/mol  
2
1,007.00 kJ/mol  
99+
13th Energy Level
4,760.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
14th Energy Level
1,120.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
15th Energy Level
33,000.00 kJ/mol  
99+
100,700.00 kJ/mol  
1
16th Energy Level
33,000.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
17th Energy Level
1,129.00 kJ/mol  
19
1,007.00 kJ/mol  
24
18th Energy Level
0.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
19th Energy Level
1,094.90 kJ/mol  
18
1,007.10 kJ/mol  
20
20th Energy Level
0.00 kJ/mol  
99+
1,007.00 kJ/mol  
11
21st Energy Level
883.00 kJ/mol  
36
1,007.00 kJ/mol  
33
22nd Energy Level
330.00 kJ/mol  
99+
1,007.00 kJ/mol  
8
23rd Energy Level
1,150.00 kJ/mol  
33
1,007.00 kJ/mol  
36
24th Energy Level
528.30 kJ/mol  
99+
1,007.10 kJ/mol  
3
25th Energy Level
0.00 kJ/mol  
99+
1,007.10 kJ/mol  
3
26th Energy Level
579.80 kJ/mol  
99+
1,007.10 kJ/mol  
3
27th Energy Level
0.00 kJ/mol  
99+
1,007.10 kJ/mol  
2
28th Energy Level
1,150.00 kJ/mol  
3
1,007.10 kJ/mol  
5
29th Energy Level
1,094.00 kJ/mol  
5
1,007.10 kJ/mol  
6
30th Energy Level
0.00 kJ/mol  
99+
1,007.10 kJ/mol  
3
Electrochemical Equivalent
3.00 g/amp-hr  
21
3.74 g/amp-hr  
10
Electron Work Function
4.90 eV  
12
4.49 eV  
20
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Flammability, Ionization, Solubility  
Atomic
Atomic Number
105  
13
80  
36
Electron Configuration
[Rn] 5f14 6d3 7s2  
[Xe] 4f14 5d10 6s2  
Crystal Structure
Body Centered Cubic (BCC)  
Rhombohedral (RHO)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
RHO-Crystal-Structure-of-Mercury.jpg#100  
Atom
  
  
Number of Protons
105  
13
80  
36
Number of Neutrons
157  
8
121  
23
Number of Electrons
105  
13
80  
36
Radius of an Atom
  
  
Atomic Radius
139.00 pm  
99+
151.00 pm  
34
Covalent Radius
149.00 pm  
37
132.00 pm  
99+
Van der Waals Radius
0.00 pm  
99+
155.00 pm  
99+
Atomic Weight
268.00 amu  
10
200.59 amu  
32
Atomic Volume
22.80 cm3/mol  
17
14.82 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Rutherfordium
  
Gold
  
Next Element
Seaborgium
  
Thallium
  
Valence Electron Potential
0.00 (-eV)  
99+
28.20 (-eV)  
99+
Lattice Constant
-  
300.50 pm  
99+
Lattice Angles
-  
-  
Lattice C/A Ratio
1.63  
14
0.42  
99+
Mechanical
Density
  
  
Density At Room Temperature
29.30 g/cm3  
5
13.53 g/cm3  
25
Density When Liquid (at m.p.)
29.30 g/cm3  
6
13.55 g/cm3  
27
Tensile Strength
0.10 MPa  
99+
15.00 MPa  
99+
Viscosity
0.00  
25
0.00  
4
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
99+
Elasticity properties
  
  
Shear Modulus
34.00 GPa  
22
30.00 GPa  
27
Bulk Modulus
39.00 GPa  
39
25.00 GPa  
99+
Young's Modulus
0.00 GPa  
99+
45.00 GPa  
99+
Poisson Ratio
0.39  
5
0.44  
3
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
39.00  
3
13.53  
27
Magnetic Ordering
-  
Diamagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
10
Susceptibility
0.00  
24
0.00  
20
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
6.80 nΩ·m  
99+
961.00 nΩ·m  
1
Electrical Conductivity
0.00 106/cm Ω  
99+
0.01 106/cm Ω  
99+
Electron Affinity
-  
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.14 J/(kg K)  
39
Molar Heat Capacity
29.30 J/mol·K  
11
27.98 J/mol·K  
16
Thermal Conductivity
0.00 W/m·K  
99+
8.30 W/m·K  
99+
Critical Temperature
1,323.00 K  
99+
1,750.00 K  
33
Thermal Expansion
13.20 µm/(m·K)  
37
60.40 µm/(m·K)  
5
Enthalpy
  
  
Enthalpy of Vaporization
289.70 kJ/mol  
99+
56.90 kJ/mol  
99+
Enthalpy of Fusion
-  
2.29 kJ/mol  
99+
Enthalpy of Atomization
-  
61.50 kJ/mol  
99+
Standard Molar Entropy
55.00 J/mol.K  
34
75.80 J/mol.K  
6
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