Home
 Compare Metals

Livermorium vs Mendelevium

Livermorium
Mendelevium
Mendelevium vs Livermorium


Periodic Table
Symbol
Lv  
Md  
Group Number
16  
2
3  
15
Period Number
7  
7  
Block
p block  
f block  
Element Family
Probably Post-​Transition  
Actinide  
CAS Number
54100719  
3
7440111  
99+
Space Group Name
-  
-  
Space Group Number
166.00  
9
194.00  
7
Facts
Interesting Facts
Livermorium was first synthesized in 2000 by a joint Russian-American research team.  
  • Mendelevium metal is synthetically produced metal.
  • Mendelevium metal has been produced in only trace amount.
  
Sources
Synthetically Produced  
Bombarding Einsteinium with Helium Ions  
History
  
  
Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Lawrence Berkeley National Laboratory  
Discovery
In 2000  
In 1955  
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
-  
-  
Abundance In Oceans
-  
-  
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Livermorium metal are limited to research purpose only.
  
  • Currently known uses of Mendelevium 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  
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
-  
827.00 °C  
99+
Boiling Point
3,500.00 °C  
18
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
-  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
-  
-  
Brinell Hardness
350.00 MPa  
36
350.00 MPa  
36
Vickers Hardness
400.00 MPa  
99+
0.00 MPa  
99+
Speed of Sound
4,600.00 m/s  
21
2,680.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.90  
18
1.30  
99+
Reflectivity
66.00 %  
17
66.00 %  
17
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Lv  
Md  
Isotopes
  
  
Known Isotopes
5  
32
16  
23
Electronegativity
  
  
Pauling Electronegativity
2.00  
8
1.30  
33
Sanderson Electronegativity
1.90  
13
1.30  
25
Allred Rochow Electronegativity
1.90  
1
1.20  
28
Mulliken-Jaffe Electronegativity
1.90  
13
1.30  
33
Allen Electronegativity
1.90  
8
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.70  
22
Ionization Energies
  
  
1st Energy Level
723.60 kJ/mol  
28
635.00 kJ/mol  
99+
2nd Energy Level
1,331.50 kJ/mol  
99+
1,235.00 kJ/mol  
99+
3rd Energy Level
2,846.30 kJ/mol  
35
2,470.00 kJ/mol  
99+
4th Energy Level
3,811.20 kJ/mol  
99+
3,840.00 kJ/mol  
99+
5th Energy Level
6,078.60 kJ/mol  
99+
6,350.00 kJ/mol  
36
6th Energy Level
7,090.00 kJ/mol  
99+
6,350.00 kJ/mol  
99+
7th Energy level
7,090.00 kJ/mol  
38
6,350.00 kJ/mol  
99+
8th Energy Level
7,090.00 kJ/mol  
34
6,350.00 kJ/mol  
99+
9th Energy Level
7,090.00 kJ/mol  
31
6,350.00 kJ/mol  
99+
10th Energy Level
5,800.00 kJ/mol  
99+
6,350.00 kJ/mol  
99+
11th Energy Level
6,200.00 kJ/mol  
99+
6,400.00 kJ/mol  
99+
12th Energy Level
7,090.00 kJ/mol  
99+
60,100.00 kJ/mol  
16
13th Energy Level
7,090.00 kJ/mol  
30
6,350.00 kJ/mol  
37
14th Energy Level
1,168.00 kJ/mol  
99+
1,150.00 kJ/mol  
99+
15th Energy Level
70,900.00 kJ/mol  
26
63,500.00 kJ/mol  
37
16th Energy Level
58,000.00 kJ/mol  
99+
635.00 kJ/mol  
99+
17th Energy Level
1,085.00 kJ/mol  
23
1,107.00 kJ/mol  
21
18th Energy Level
7,090.00 kJ/mol  
32
6,350.00 kJ/mol  
39
19th Energy Level
1,169.70 kJ/mol  
13
635.00 kJ/mol  
99+
20th Energy Level
870.00 kJ/mol  
15
635.00 kJ/mol  
40
21st Energy Level
709.00 kJ/mol  
99+
6,350.00 kJ/mol  
13
22nd Energy Level
370.00 kJ/mol  
99+
635.00 kJ/mol  
34
23rd Energy Level
5,800.00 kJ/mol  
21
6,350.00 kJ/mol  
13
24th Energy Level
548.90 kJ/mol  
99+
635.00 kJ/mol  
36
25th Energy Level
709.00 kJ/mol  
27
635.00 kJ/mol  
38
26th Energy Level
709.00 kJ/mol  
26
635.00 kJ/mol  
37
27th Energy Level
709.00 kJ/mol  
26
635.00 kJ/mol  
39
28th Energy Level
709.00 kJ/mol  
31
635.00 kJ/mol  
99+
29th Energy Level
709.00 kJ/mol  
32
635.00 kJ/mol  
99+
30th Energy Level
709.00 kJ/mol  
26
635.00 kJ/mol  
40
Electrochemical Equivalent
3.00 g/amp-hr  
21
3.21 g/amp-hr  
13
Electron Work Function
4.90 eV  
12
3.89 eV  
37
Other Chemical Properties
Chemical Stability, Ionization  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
116  
2
101  
17
Electron Configuration
[Rn] 5f14 6d10 7s2 7p4  
[Rn] 5f13 7s2  
Crystal Structure
Not Known  
Not Known  
Crystal Lattice
Unknown-Crystal-Structure-of-Livermorium.jpg#100  
Unknown-Crystal-Structure-of-Mendelevium.jpg#100  
Atom
  
  
Number of Protons
116  
2
101  
17
Number of Neutrons
160  
5
157  
8
Number of Electrons
116  
2
101  
17
Radius of an Atom
  
  
Atomic Radius
183.00 pm  
12
175.00 pm  
21
Covalent Radius
183.00 pm  
22
175.00 pm  
25
Van der Waals Radius
0.00 pm  
99+
246.00 pm  
12
Atomic Weight
293.00 amu  
2
258.00 amu  
14
Atomic Volume
22.90 cm3/mol  
16
19.90 cm3/mol  
32
Adjacent Atomic Numbers
  
  
Previous Element
Moscovium
  
Fermium
  
Next Element
No Next Element  
Nobelium
  
Valence Electron Potential
0.00 (-eV)  
99+
63.70 (-eV)  
23
Lattice Constant
362.15 pm  
36
-  
Lattice Angles
-  
-  
Lattice C/A Ratio
1.60  
22
1.58  
36
Mechanical
Density
  
  
Density At Room Temperature
12.90 g/cm3  
28
10.30 g/cm3  
38
Density When Liquid (at m.p.)
12.90 g/cm3  
30
10.30 g/cm3  
39
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)  
99+
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
28.50 GPa  
30
32.00 GPa  
24
Bulk Modulus
42.00 GPa  
34
0.00 GPa  
99+
Young's Modulus
12.50 GPa  
99+
12.00 GPa  
99+
Poisson Ratio
0.30  
14
0.30  
14
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
12.00  
34
13.50  
29
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+
0.63 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
0.13 J/(kg K)  
40
0.10 J/(kg K)  
99+
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+
1,100.00 K  
99+
Thermal Expansion
9.70 µm/(m·K)  
99+
11.60 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
722.00 kJ/mol  
3
380.50 kJ/mol  
26
Enthalpy of Fusion
-  
-  
Enthalpy of Atomization
380.50 kJ/mol  
32
410.80 kJ/mol  
25
Standard Molar Entropy
50.20 J/mol.K  
99+
37.40 J/mol.K  
99+
Periodic Table >>
<< All

Compare Synthetic Metals

Synthetic Metals

Synthetic Metals

Compare Synthetic Metals

Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!