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Es Element
Einsteinium


Periodic Table
0
Symbol
Es 0
Group Number
Not Available 0
Period Number
7 1
Block
f block 0
Element Family
Actinide 0
CAS Number
7429927 90
Space Group Name
Not Available 0
Space Group Number
Not Available 0
Facts
0
Interesting Facts
  • Einsteinium is the transuranic element found in US.
  • Only 0.01 mg of Einsteinium was synthesized in 1961.
0
Sources
Made by Bombarding Uranium with Neutrons 0
History
0
Who Discovered
Lawrence Berkeley National Laboratory 0
Discovery
In 1952 0
Abundance
0
Abundance In Universe
Not Available 0
Abundance In Sun
~-9999 % 0
Abundance In Meteorites
Not Available 0
Abundance In Earth's Crust
Not Available 0
Abundance In Oceans
Not Available 0
Abundance In Humans
Not Available 0
Uses
0
Uses & Benefits
  • Currently known uses of Einsteinium metal are limited to research purpose only.
0
Industrial Uses
NA 0
Medical Uses
NA 0
Other Uses
Alloys, Nuclear Research, Research Purposes 0
Biological Properties
0
Toxicity
Toxic 0
Present in Human Body
No 0
In Blood
0.00 Blood/mg dm-3 37
In Bone
0.00 p.p.m. 36
Physical
0
Melting Point
860.00 °C 51
Boiling Point
996.00 °C 68
Appearance
0
Physical State
Solid 0
Color
Silver 0
Luster
NA 0
Hardness
0
Mohs Hardness
Not Available 0
Brinell Hardness
Not Available 0
Vickers Hardness
Not Available 0
Speed of Sound
Not Available 0
Optical Properties
0
Refractive Index
Not Available 0
Reflectivity
Not Available 0
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
Es 0
Isotopes
0
Known Isotopes
16 23
Electronegativity
0
Pauling Electronegativity
1.54 26
Sanderson Electronegativity
Not Available 0
Allred Rochow Electronegativity
1.20 27
Mulliken-Jaffe Electronegativity
Not Available 0
Allen Electronegativity
Not Available 0
Electropositivity
0
Pauling Electropositivity
2.70 22
Ionization Energies
0
1st Energy Level
619.00 kJ/mol 48
2nd Energy Level
1,216.00 kJ/mol 59
3rd Energy Level
2,334.00 kJ/mol 55
4th Energy Level
3,734.00 kJ/mol 48
5th Energy Level
Not Available 0
6th Energy Level
Not Available 0
7th Energy level
Not Available 0
8th Energy Level
Not Available 0
9th Energy Level
Not Available 0
10th Energy Level
Not Available 0
11th Energy Level
Not Available 0
12th Energy Level
Not Available 0
13th Energy Level
Not Available 0
14th Energy Level
Not Available 0
15th Energy Level
Not Available 0
16th Energy Level
Not Available 0
17th Energy Level
Not Available 0
18th Energy Level
Not Available 0
19th Energy Level
Not Available 0
20th Energy Level
Not Available 0
21st Energy Level
Not Available 0
22nd Energy Level
Not Available 0
23rd Energy Level
Not Available 0
24th Energy Level
Not Available 0
25th Energy Level
Not Available 0
26th Energy Level
Not Available 0
27th Energy Level
Not Available 0
28th Energy Level
Not Available 0
29th Energy Level
Not Available 0
30th Energy Level
Not Available 0
Electrochemical Equivalent
4.74 g/amp-hr 5
Electron Work Function
Not Available 0
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity 0
Atomic
0
Atomic Number
99 19
Electron Configuration
[Rn] 5f11 7s2 0
Crystal Structure
Face Centered Cubic (FCC) 0
Crystal Lattice
FCC-Crystal-Structure-of-Einsteinium.jpg#100 0
Atom
0
Number of Protons
99 19
Number of Neutrons
153 9
Number of Electrons
99 19
Radius of an Atom
0
Atomic Radius
186.00 pm 9
Covalent Radius
Not Available 0
Van der Waals Radius
Not Available 0
Atomic Weight
252.00 amu 16
Atomic Volume
Not Available 0
Adjacent Atomic Numbers
0
Previous Element
51 0
Next Element
88 0
Valence Electron Potential
Not Available 0
Lattice Constant
Not Available 0
Lattice Angles
NA 0
Lattice C/A Ratio
Not Available 0
Mechanical
0
Density
0
Density At Room Temperature
8.84 g/cm3 45
Density When Liquid (at m.p.)
Not Available 0
Tensile Strength
Not Available 0
Viscosity
Not Available 0
Vapor Pressure
0
Vapor Pressure at 1000 K
Not Available 0
Vapor Pressure at 2000 K
Not Available 0
Elasticity properties
0
Shear Modulus
Not Available 0
Bulk Modulus
Not Available 0
Young's Modulus
Not Available 0
Poisson Ratio
Not Available 0
Other Mechanical Properties
NA 0
Magnetic
0
Magnetic Characteristics
0
Specific Gravity
Not Available 0
Magnetic Ordering
Paramagnetic 0
Permeability
Not Available 0
Susceptibility
Not Available 0
Electrical Properties
0
Electrical Property
Unknown 0
Resistivity
Not Available 0
Electrical Conductivity
Not Available 0
Electron Affinity
Not Available 0
Thermal
0
Specific Heat
Not Available 0
Molar Heat Capacity
Not Available 0
Thermal Conductivity
Not Available 0
Critical Temperature
Not Available 0
Thermal Expansion
Not Available 0
Enthalpy
0
Enthalpy of Vaporization
Not Available 0
Enthalpy of Fusion
Not Available 0
Enthalpy of Atomization
Not Available 0
Standard Molar Entropy
Not Available 0
Summary >>
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