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Einsteinium, including Technical Data, Safety Data and its high purity propertiesresearch, applications and other useful facts are discussed below. Scientific facts such as the atomic structure,ionization energyabundance on Earthconductivity and thermal properties are included. 

Einsteinium is a Block F, Group 3, Period 7 element. The number of electrons in each of Einsteinium‘s shells is 2, 8, 18, 32, 29, 8, 2 and its electronic configuration is [Rn] 5f11 7s2. In its elemental form einsteinium‘s CAS number is 7429-92-7 The einsteinium atom has a radius of and it‘s Van der Waals radius is Einsteinium is radioactive.

Einsteinium was discovered by Albert Ghiorso in 1952. Named in honor of Albert Einstein. 

Einsteinium Safety Data. The safety data for einsteinium metalnanoparticles and its compounds can vary widely depending on the form. For potential hazard information, toxicity, and road, sea and air transportation limitations, such as DOT Hazard Class, DOT Number, EU Number, NFPA Health rating and RTECS Class, please see the specific material or compound referenced in the left margin. Einsteinium compounds have no biological role. 

Ionization Energy. The ionization energy for einsteinium (the least required energy to release a single electron from the atom in it‘s ground state in the gas phase) is stated in the following table:
1st Ionization Energy 619.44 kJ mol-1
2nd Ionization Energy - kJ mol-1
3rd Ionization Energy - kJ mol-1

Conductivity. As to einsteinium‘s electrical and thermal conductivity, the electrical conductivity measured in terms of electrical resistivity @ 20 ?C is - ?Ocm and its electronegativities (or its ability to draw electrons relative to other elements) is -. The thermal conductivity of einsteinium is - W m-1 K-1. 

Thermal Properties of Einsteinium. The melting point and boiling point for einsteinium are statedbelow. The following chart sets forth the heat of fusion, heat of vaporization and heat of atomization.
Heat of Fusion - kJ mol-1
Heat of Vaporization - kJ mol-1
Heat of Atomization 150 kJ mol-1

Formula Atomic Number Molecular Weight Electronegativity (Pauling) Density Melting Point Boiling Point Vanderwaals radius Ionic radius Energy of first ionization
Es 99 (252) g.mol -1 - - g/L 860? °C - °C .200 nm - pm 619.44 kJ.mol-1