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Lawrencium vs Mercury

Lawrencium
Mercury
Mercury vs Lawrencium


Periodic Table
Symbol
Lr  
Hg  
Group Number
3  
15
12  
6
Period Number
7  
6  
Block
d block  
d block  
Element Family
Actinide  
Transition Metal  
CAS Number
22537195  
15
7439976  
99+
Space Group Name
-  
R_ 3m  
Space Group Number
225.00  
3
166.00  
9
Facts
Interesting Facts
  • It is synthetically produced metal.
  • Radiation hazard can be produce by it.
  
  • 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
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining  
Mining, Ores of Minerals  
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research  
Ancient Chinese and Indians  
Discovery
In 1961–1971  
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
0.00 %  
99+
0.05 %  
9
Abundance In Oceans
-  
-  
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Lawrencium 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
-  
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
1,627.00 °C  
20
-38.83 °C  
99+
Boiling Point
0.00 °C  
99+
356.58 °C  
99+
Appearance
  
  
Physical State
Solid  
Liquid  
Color
Silver  
Silver  
Luster
Unknown Luster  
-  
Hardness
  
  
Mohs Hardness
-  
1.50  
19
Brinell Hardness
500.00 MPa  
28
5.00 MPa  
99+
Vickers Hardness
500.00 MPa  
35
0.00 MPa  
99+
Speed of Sound
2,760.00 m/s  
99+
1,451.40 m/s  
99+
Optical Properties
  
  
Refractive Index
1.30  
99+
1.00  
99+
Reflectivity
65.00 %  
18
73.00 %  
10
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Lr  
Hg  
Isotopes
  
  
Known Isotopes
10  
28
34  
5
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
2.00  
8
Sanderson Electronegativity
1.30  
25
2.20  
8
Allred Rochow Electronegativity
1.30  
25
1.44  
18
Mulliken-Jaffe Electronegativity
1.30  
33
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
470.00 kJ/mol  
99+
1,007.10 kJ/mol  
4
2nd Energy Level
1,428.00 kJ/mol  
99+
1,810.00 kJ/mol  
21
3rd Energy Level
2,228.00 kJ/mol  
99+
3,300.00 kJ/mol  
20
4th Energy Level
4,910.00 kJ/mol  
31
1,007.10 kJ/mol  
99+
5th Energy Level
4,780.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
6th Energy Level
4,780.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
7th Energy level
4,780.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
8th Energy Level
4,780.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
9th Energy Level
4,780.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
10th Energy Level
5,800.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
11th Energy Level
5,800.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
12th Energy Level
47,800.00 kJ/mol  
22
1,007.00 kJ/mol  
99+
13th Energy Level
4,780.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
14th Energy Level
1,186.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
15th Energy Level
47,800.00 kJ/mol  
99+
100,700.00 kJ/mol  
1
16th Energy Level
470.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
17th Energy Level
1,186.00 kJ/mol  
15
1,007.00 kJ/mol  
24
18th Energy Level
4,780.00 kJ/mol  
99+
1,007.00 kJ/mol  
99+
19th Energy Level
1,186.00 kJ/mol  
12
1,007.10 kJ/mol  
20
20th Energy Level
860.00 kJ/mol  
17
1,007.00 kJ/mol  
11
21st Energy Level
1,186.00 kJ/mol  
27
1,007.00 kJ/mol  
33
22nd Energy Level
388.00 kJ/mol  
99+
1,007.00 kJ/mol  
8
23rd Energy Level
1,180.00 kJ/mol  
32
1,007.00 kJ/mol  
36
24th Energy Level
546.10 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
594.70 kJ/mol  
99+
1,007.10 kJ/mol  
3
27th Energy Level
470.00 kJ/mol  
99+
1,007.10 kJ/mol  
2
28th Energy Level
478.00 kJ/mol  
99+
1,007.10 kJ/mol  
5
29th Energy Level
580.00 kJ/mol  
99+
1,007.10 kJ/mol  
6
30th Energy Level
0.00 kJ/mol  
99+
1,007.10 kJ/mol  
3
Electrochemical Equivalent
3.23 g/amp-hr  
12
3.74 g/amp-hr  
10
Electron Work Function
4.90 eV  
12
4.49 eV  
20
Other Chemical Properties
Ionization, Radioactive Isotopes  
Flammability, Ionization, Solubility  
Atomic
Atomic Number
103  
15
80  
36
Electron Configuration
[Rn] 5f14 7s2 7p1  
[Xe] 4f14 5d10 6s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Rhombohedral (RHO)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
RHO-Crystal-Structure-of-Mercury.jpg#100  
Atom
  
  
Number of Protons
103  
15
80  
36
Number of Neutrons
157  
8
121  
23
Number of Electrons
103  
15
80  
36
Radius of an Atom
  
  
Atomic Radius
162.00 pm  
28
151.00 pm  
34
Covalent Radius
162.00 pm  
31
132.00 pm  
99+
Van der Waals Radius
246.00 pm  
12
155.00 pm  
99+
Atomic Weight
266.00 amu  
12
200.59 amu  
32
Atomic Volume
35.10 cm3/mol  
7
14.82 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Nobelium
  
Gold
  
Next Element
Rutherfordium
  
Thallium
  
Valence Electron Potential
0.00 (-eV)  
99+
28.20 (-eV)  
99+
Lattice Constant
530.00 pm  
14
300.50 pm  
99+
Lattice Angles
-  
-  
Lattice C/A Ratio
1.60  
22
0.42  
99+
Mechanical
Density
  
  
Density At Room Temperature
15.00 g/cm3  
22
13.53 g/cm3  
25
Density When Liquid (at m.p.)
15.60 g/cm3  
20
13.55 g/cm3  
27
Tensile Strength
80.00 MPa  
29
15.00 MPa  
99+
Viscosity
0.00  
25
0.00  
4
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.00 (Pa)  
99+
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
30.00 GPa  
27
Bulk Modulus
15.00 GPa  
99+
25.00 GPa  
99+
Young's Modulus
210.00 GPa  
10
45.00 GPa  
99+
Poisson Ratio
0.32  
12
0.44  
3
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
15.60  
22
13.53  
27
Magnetic Ordering
-  
Diamagnetic  
Permeability
0.00 H/m  
13
0.00 H/m  
10
Susceptibility
0.00  
23
0.00  
20
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
8.37 nΩ·m  
99+
961.00 nΩ·m  
1
Electrical Conductivity
0.00 106/cm Ω  
99+
0.01 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.22 J/(kg K)  
29
0.14 J/(kg K)  
39
Molar Heat Capacity
27.00 J/mol·K  
29
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
8.50 µm/(m·K)  
99+
60.40 µm/(m·K)  
5
Enthalpy
  
  
Enthalpy of Vaporization
341.90 kJ/mol  
37
56.90 kJ/mol  
99+
Enthalpy of Fusion
-  
2.29 kJ/mol  
99+
Enthalpy of Atomization
580.00 kJ/mol  
14
61.50 kJ/mol  
99+
Standard Molar Entropy
54.80 J/mol.K  
35
75.80 J/mol.K  
6
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