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Lawrencium vs Livermorium

Lawrencium
Livermorium
Livermorium vs Lawrencium


Periodic Table
Symbol
Lr  
Lv  
Group Number
3  
15
16  
2
Period Number
7  
7  
Block
d block  
p block  
Element Family
Actinide  
Probably Post-​Transition  
CAS Number
22537195  
15
54100719  
3
Space Group Name
-  
-  
Space Group Number
225.00  
3
166.00  
9
Facts
Interesting Facts
  • It is synthetically produced metal.
  • Radiation hazard can be produce by it.
  
Livermorium was first synthesized in 2000 by a joint Russian-American research team.  
Sources
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining  
Synthetically Produced  
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research  
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Discovery
In 1961–1971  
In 2000  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
40
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 Lawrencium metal are limited to research purpose only.
  
  • Currently known uses of Livermorium metal are limited to research purpose only.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
-  
Research Purposes  
Biological Properties
  
  
Toxicity
-  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
31
In Bone
0.00 p.p.m.  
99+
0.50 p.p.m.  
22
Physical
Melting Point
1,627.00 °C  
20
-  
Boiling Point
0.00 °C  
99+
3,500.00 °C  
18
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
-  
Luster
Unknown Luster  
Unknown Luster  
Hardness
  
  
Mohs Hardness
-  
-  
Brinell Hardness
500.00 MPa  
28
350.00 MPa  
36
Vickers Hardness
500.00 MPa  
35
400.00 MPa  
99+
Speed of Sound
2,760.00 m/s  
99+
4,600.00 m/s  
21
Optical Properties
  
  
Refractive Index
1.30  
99+
1.90  
18
Reflectivity
65.00 %  
18
66.00 %  
17
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Lr  
Lv  
Isotopes
  
  
Known Isotopes
10  
28
5  
32
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
2.00  
8
Sanderson Electronegativity
1.30  
25
1.90  
13
Allred Rochow Electronegativity
1.30  
25
1.90  
1
Mulliken-Jaffe Electronegativity
1.30  
33
1.90  
13
Allen Electronegativity
1.30  
40
1.90  
8
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.00  
99+
Ionization Energies
  
  
1st Energy Level
470.00 kJ/mol  
99+
723.60 kJ/mol  
28
2nd Energy Level
1,428.00 kJ/mol  
99+
1,331.50 kJ/mol  
99+
3rd Energy Level
2,228.00 kJ/mol  
99+
2,846.30 kJ/mol  
35
4th Energy Level
4,910.00 kJ/mol  
31
3,811.20 kJ/mol  
99+
5th Energy Level
4,780.00 kJ/mol  
99+
6,078.60 kJ/mol  
99+
6th Energy Level
4,780.00 kJ/mol  
99+
7,090.00 kJ/mol  
99+
7th Energy level
4,780.00 kJ/mol  
99+
7,090.00 kJ/mol  
38
8th Energy Level
4,780.00 kJ/mol  
99+
7,090.00 kJ/mol  
34
9th Energy Level
4,780.00 kJ/mol  
99+
7,090.00 kJ/mol  
31
10th Energy Level
5,800.00 kJ/mol  
99+
5,800.00 kJ/mol  
99+
11th Energy Level
5,800.00 kJ/mol  
99+
6,200.00 kJ/mol  
99+
12th Energy Level
47,800.00 kJ/mol  
22
7,090.00 kJ/mol  
99+
13th Energy Level
4,780.00 kJ/mol  
99+
7,090.00 kJ/mol  
30
14th Energy Level
1,186.00 kJ/mol  
99+
1,168.00 kJ/mol  
99+
15th Energy Level
47,800.00 kJ/mol  
99+
70,900.00 kJ/mol  
26
16th Energy Level
470.00 kJ/mol  
99+
58,000.00 kJ/mol  
99+
17th Energy Level
1,186.00 kJ/mol  
15
1,085.00 kJ/mol  
23
18th Energy Level
4,780.00 kJ/mol  
99+
7,090.00 kJ/mol  
32
19th Energy Level
1,186.00 kJ/mol  
12
1,169.70 kJ/mol  
13
20th Energy Level
860.00 kJ/mol  
17
870.00 kJ/mol  
15
21st Energy Level
1,186.00 kJ/mol  
27
709.00 kJ/mol  
99+
22nd Energy Level
388.00 kJ/mol  
99+
370.00 kJ/mol  
99+
23rd Energy Level
1,180.00 kJ/mol  
32
5,800.00 kJ/mol  
21
24th Energy Level
546.10 kJ/mol  
99+
548.90 kJ/mol  
99+
25th Energy Level
0.00 kJ/mol  
99+
709.00 kJ/mol  
27
26th Energy Level
594.70 kJ/mol  
99+
709.00 kJ/mol  
26
27th Energy Level
470.00 kJ/mol  
99+
709.00 kJ/mol  
26
28th Energy Level
478.00 kJ/mol  
99+
709.00 kJ/mol  
31
29th Energy Level
580.00 kJ/mol  
99+
709.00 kJ/mol  
32
30th Energy Level
0.00 kJ/mol  
99+
709.00 kJ/mol  
26
Electrochemical Equivalent
3.23 g/amp-hr  
12
3.00 g/amp-hr  
21
Electron Work Function
4.90 eV  
12
4.90 eV  
12
Other Chemical Properties
Ionization, Radioactive Isotopes  
Chemical Stability, Ionization  
Atomic
Atomic Number
103  
15
116  
2
Electron Configuration
[Rn] 5f14 7s2 7p1  
[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
103  
15
116  
2
Number of Neutrons
157  
8
160  
5
Number of Electrons
103  
15
116  
2
Radius of an Atom
  
  
Atomic Radius
162.00 pm  
28
183.00 pm  
12
Covalent Radius
162.00 pm  
31
183.00 pm  
22
Van der Waals Radius
246.00 pm  
12
0.00 pm  
99+
Atomic Weight
266.00 amu  
12
293.00 amu  
2
Atomic Volume
35.10 cm3/mol  
7
22.90 cm3/mol  
16
Adjacent Atomic Numbers
  
  
Previous Element
Nobelium
  
Moscovium
  
Next Element
Rutherfordium
  
No Next Element  
Valence Electron Potential
0.00 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
530.00 pm  
14
362.15 pm  
36
Lattice Angles
-  
-  
Lattice C/A Ratio
1.60  
22
1.60  
22
Mechanical
Density
  
  
Density At Room Temperature
15.00 g/cm3  
22
12.90 g/cm3  
28
Density When Liquid (at m.p.)
15.60 g/cm3  
20
12.90 g/cm3  
30
Tensile Strength
80.00 MPa  
29
80.00 MPa  
29
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)  
37
0.00 (Pa)  
99+
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
28.50 GPa  
30
Bulk Modulus
15.00 GPa  
99+
42.00 GPa  
34
Young's Modulus
210.00 GPa  
10
12.50 GPa  
99+
Poisson Ratio
0.32  
12
0.30  
14
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
15.60  
22
12.00  
34
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
13
0.00 H/m  
10
Susceptibility
0.00  
23
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
8.37 nΩ·m  
99+
0.50 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
50.00 kJ/mol  
26
Thermal
Specific Heat
0.22 J/(kg K)  
29
0.13 J/(kg K)  
40
Molar Heat Capacity
27.00 J/mol·K  
29
27.00 J/mol·K  
29
Thermal Conductivity
0.00 W/m·K  
99+
0.00 W/m·K  
99+
Critical Temperature
1,323.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
8.50 µm/(m·K)  
99+
9.70 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
341.90 kJ/mol  
37
722.00 kJ/mol  
3
Enthalpy of Fusion
-  
-  
Enthalpy of Atomization
580.00 kJ/mol  
14
380.50 kJ/mol  
32
Standard Molar Entropy
54.80 J/mol.K  
35
50.20 J/mol.K  
99+
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