1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.3 Block
1.4 Element Family
1.5 CAS Number
74401117429927
7429905
54386242
1.7 Space Group Name
Not Available
Not Available
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
- Mendelevium metal is synthetically produced metal.
- Mendelevium metal has been produced in only trace amount.
- Einsteinium is the transuranic element found in US.
- Only 0.01 mg of Einsteinium was synthesized in 1961.
2.2 Sources
Bombarding Einsteinium with Helium Ions
Made by Bombarding Uranium with Neutrons
2.3 History
2.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Lawrence Berkeley National Laboratory
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.6.1 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
3.4.2 Abundance In Meteorites
3.4.3 Abundance In Earth's Crust
3.4.5 Abundance In Oceans
3.4.7 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Currently known uses of Mendelevium metal are limited to research purpose only.
- Currently known uses of Einsteinium metal are limited to research purpose only.
4.1.1 Industrial Uses
4.1.2 Medical Uses
4.1.3 Other Uses
NA
Alloys, Nuclear Research, Research Purposes
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
4.2.5 In Bone
0.00 p.p.m.0.00 p.p.m.
0
170000
5 Physical
5.1 Melting Point
827.00 °C860.00 °C
27
3410
6.3 Boiling Point
7.2 Appearance
7.2.1 Physical State
7.2.2 Color
7.2.3 Luster
7.3 Hardness
7.3.1 Mohs Hardness
7.4.1 Brinell Hardness
7.6.2 Vickers Hardness
7.7 Speed of Sound
7.8 Optical Properties
7.8.1 Refractive Index
7.9.1 Reflectivity
7.10 Allotropes
7.10.1 α Allotropes
Not Available
Not Available
7.10.2 β Allotropes
Not Available
Not Available
7.10.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
8.4 Electronegativity
8.4.1 Pauling Electronegativity
9.2.2 Sanderson Electronegativity
9.3.2 Allred Rochow Electronegativity
9.3.4 Mulliken-Jaffe Electronegativity
9.3.6 Allen Electronegativity
9.4 Electropositivity
9.4.1 Pauling Electropositivity
9.5 Ionization Energies
9.5.1 1st Energy Level
635.00 kJ/mol619.00 kJ/mol
375.7
26130
9.6.2 2nd Energy Level
1,235.00 kJ/mol1,216.00 kJ/mol
710.2162
28750
9.7.2 3rd Energy Level
2,470.00 kJ/mol2,334.00 kJ/mol
1600
34230
9.7.4 4th Energy Level
3,840.00 kJ/mol3,734.00 kJ/mol
2780
37066
9.7.6 5th Energy Level
9.7.8 6th Energy Level
9.7.11 7th Energy level
9.7.13 8th Energy Level
9.7.14 9th Energy Level
9.7.16 10th Energy Level
9.7.19 11th Energy Level
9.7.21 12th Energy Level
9.7.23 13th Energy Level
9.7.25 14th Energy Level
9.7.27 15th Energy Level
9.7.29 16th Energy Level
9.7.31 17th Energy Level
9.7.33 18th Energy Level
9.7.36 19th Energy Level
9.7.39 20th Energy Level
9.7.42 21st Energy Level
9.7.45 22nd Energy Level
9.7.48 23rd Energy Level
9.7.51 24th Energy Level
9.8.1 25th Energy Level
9.9.1 26th Energy Level
10.1.1 27th Energy Level
10.4.2 28th Energy Level
10.4.4 29th Energy Level
10.5.2 30th Energy Level
10.6 Electrochemical Equivalent
3.21 g/amp-hr4.74 g/amp-hr
0.16812
8.3209
10.8 Electron Work Function
10.12 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity
11 Atomic
11.1 Atomic Number
11.5 Electron Configuration
[Rn] 5f13 7s2
[Rn] 5f11 7s2
11.6 Crystal Structure
Not Known
Face Centered Cubic (FCC)
11.6.1 Crystal Lattice
11.7 Atom
11.7.1 Number of Protons
12.1.2 Number of Neutrons
12.1.4 Number of Electrons
12.4 Radius of an Atom
12.4.1 Atomic Radius
12.5.2 Covalent Radius
12.5.4 Van der Waals Radius
12.7 Atomic Weight
258.00 amu252.00 amu
6.94
294
12.8 Atomic Volume
12.9 Adjacent Atomic Numbers
12.9.1 Previous Element
12.9.2 Next Element
12.10 Valence Electron Potential
12.12 Lattice Constant
13.2 Lattice Angles
13.3 Lattice C/A Ratio
14 Mechanical
14.1 Density
14.1.1 Density At Room Temperature
14.1.5 Density When Liquid (at m.p.)
14.3 Tensile Strength
14.4 Viscosity
14.5 Vapor Pressure
14.5.1 Vapor Pressure at 1000 K
15.1.1 Vapor Pressure at 2000 K
15.3 Elasticity properties
15.3.1 Shear Modulus
15.4.1 Bulk Modulus
15.5.1 Young's Modulus
15.7 Poisson Ratio
15.8 Other Mechanical Properties
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
16.1.2 Magnetic Ordering
16.1.3 Permeability
16.1.5 Susceptibility
16.2 Electrical Properties
16.2.1 Electrical Property
16.2.2 Resistivity
16.3.1 Electrical Conductivity
16.3.2 Electron Affinity
17 Thermal
17.1 Specific Heat
17.2 Molar Heat Capacity
17.3 Thermal Conductivity
17.4 Critical Temperature
17.5 Thermal Expansion
17.6 Enthalpy
17.6.1 Enthalpy of Vaporization
17.6.2 Enthalpy of Fusion
17.6.3 Enthalpy of Atomization
1.3 Standard Molar Entropy