1 Periodic Table
1.1 Symbol
1.2 Group Number
1.4 Period Number
1.6 Block
1.7 Element Family
Actinide
Transition Metal
1.8 CAS Number
74299277440268
7429905
54386242
2.3 Space Group Name
2.4 Space Group Number
3 Facts
3.1 Interesting Facts
- Einsteinium is the transuranic element found in US.
- Only 0.01 mg of Einsteinium was synthesized in 1961.
- Original name of Technetium was Masurium.
- At the time of its discovery it found in sample of Molybdenum.
3.2 Sources
Made by Bombarding Uranium with Neutrons
Made by Bombarding Molybdenum with Deuterons
3.3 History
3.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Emilio Segrè and Carlo Perriero
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.3 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
3.4.4 Abundance In Meteorites
3.4.7 Abundance In Earth's Crust
3.4.9 Abundance In Oceans
3.4.10 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Currently known uses of Einsteinium metal are limited to research purpose only.
- Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.
4.1.1 Industrial Uses
4.1.2 Medical Uses
4.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
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
4.3.2 In Bone
0.00 p.p.m.0.00 p.p.m.
0
170000
5 Physical
5.1 Melting Point
860.00 °C2,200.00 °C
27
3410
5.2 Boiling Point
996.00 °C4,877.00 °C
147
5660
5.3 Appearance
5.3.1 Physical State
5.3.2 Color
5.3.3 Luster
5.4 Hardness
5.4.1 Mohs Hardness
5.4.3 Brinell Hardness
5.4.5 Vickers Hardness
5.5 Speed of Sound
NA16,200.00 m/s
818
16200
5.6 Optical Properties
5.6.1 Refractive Index
5.6.2 Reflectivity
5.7 Allotropes
5.7.1 α Allotropes
Not Available
Not Available
5.7.2 β Allotropes
Not Available
Not Available
5.7.3 γ Allotropes
Not Available
Not Available
6 Chemical
6.1 Chemical Formula
6.2 Isotopes
6.2.1 Known Isotopes
6.3 Electronegativity
6.3.1 Pauling Electronegativity
6.3.3 Sanderson Electronegativity
6.3.5 Allred Rochow Electronegativity
6.3.7 Mulliken-Jaffe Electronegativity
6.3.8 Allen Electronegativity
6.4 Electropositivity
6.4.1 Pauling Electropositivity
6.5 Ionization Energies
6.5.1 1st Energy Level
619.00 kJ/mol702.00 kJ/mol
375.7
26130
6.5.3 2nd Energy Level
1,216.00 kJ/mol1,470.00 kJ/mol
710.2162
28750
6.5.5 3rd Energy Level
2,334.00 kJ/mol2,850.00 kJ/mol
1600
34230
6.5.7 4th Energy Level
3,734.00 kJ/molNA
2780
37066
6.5.8 5th Energy Level
6.5.10 6th Energy Level
6.5.12 7th Energy level
6.5.14 8th Energy Level
6.5.17 9th Energy Level
6.5.19 10th Energy Level
6.5.21 11th Energy Level
6.5.24 12th Energy Level
6.5.26 13th Energy Level
6.5.28 14th Energy Level
6.5.30 15th Energy Level
6.5.32 16th Energy Level
6.5.33 17th Energy Level
6.6.1 18th Energy Level
6.7.1 19th Energy Level
6.7.2 20th Energy Level
7.1.1 21st Energy Level
7.2.1 22nd Energy Level
7.4.2 23rd Energy Level
7.4.4 24th Energy Level
7.4.5 25th Energy Level
7.4.7 26th Energy Level
7.4.8 27th Energy Level
7.5.2 28th Energy Level
7.5.4 29th Energy Level
7.5.6 30th Energy Level
7.7 Electrochemical Equivalent
4.74 g/amp-hr0.52 g/amp-hr
0.16812
8.3209
7.9 Electron Work Function
7.10 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
8 Atomic
8.1 Atomic Number
8.5 Electron Configuration
[Rn] 5f11 7s2
[Kr] 4d5 5s2
8.6 Crystal Structure
Face Centered Cubic (FCC)
Hexagonal Close Packed (HCP)
8.6.1 Crystal Lattice
8.7 Atom
8.7.1 Number of Protons
8.9.1 Number of Neutrons
9.1.2 Number of Electrons
9.3 Radius of an Atom
9.3.1 Atomic Radius
186.00 pm136.00 pm
112
265
9.4.1 Covalent Radius
9.5.2 Van der Waals Radius
9.6 Atomic Weight
252.00 amu98.00 amu
6.94
294
9.8 Atomic Volume
NA8.50 cm3/mol
1.39
71.07
9.9 Adjacent Atomic Numbers
9.9.1 Previous Element
9.9.2 Next Element
9.10 Valence Electron Potential
9.11 Lattice Constant
NA273.50 pm
228.58
891.25
9.13 Lattice Angles
9.14 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
8.84 g/cm311.00 g/cm3
0.534
40.7
11.1.4 Density When Liquid (at m.p.)
11.2 Tensile Strength
11.4 Viscosity
11.5 Vapor Pressure
11.5.1 Vapor Pressure at 1000 K
11.5.3 Vapor Pressure at 2000 K
11.6 Elasticity properties
11.6.1 Shear Modulus
12.1.1 Bulk Modulus
12.3.1 Young's Modulus
12.5 Poisson Ratio
12.7 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
13.1.3 Permeability
13.2.2 Susceptibility
13.3 Electrical Properties
13.3.1 Electrical Property
13.3.2 Resistivity
13.3.4 Electrical Conductivity
NA0.07 106/cm Ω
0.00666
0.63
13.4.1 Electron Affinity
14 Thermal
14.1 Specific Heat
14.2 Molar Heat Capacity
NA24.27 J/mol·K
16.443
62.7
14.3 Thermal Conductivity
14.4 Critical Temperature
14.5 Thermal Expansion
14.6 Enthalpy
14.6.1 Enthalpy of Vaporization
NA660.00 kJ/mol
7.32
799.1
14.6.2 Enthalpy of Fusion
14.6.3 Enthalpy of Atomization
14.7 Standard Molar Entropy
NA181.10 J/mol.K
9.5
198.1