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- 🇬🇧 Einsteinium
- 🇺🇦 Ейнштейній
- 🇨🇳 鑀
- 🇳🇱 Einsteinium
- 🇫🇷 Einsteinium
- 🇩🇪 Einsteinium
- 🇮🇱 אינשטייניום
- 🇮🇹 Einsteinio
- 🇯🇵 アインスタイニウム
- 🇵🇹 Einstênio
- 🇪🇸 Einsteinio
- 🇸🇪 Einsteinium
- 🇷🇺 Эйнштейний
- Name: einsteinium
- Symbol: Es
- Atomic number: 99
- Relative atomic mass (Ar): [ 252 ] (longest lived isotope)
- Standard state: solid at 298 K
- Appearance: unknown, but probably metallic and silvery white or grey in appearance
- Classification: Metallic
- Group in periodic table:
- Group name: Actinoid
- Period in periodic table: 7 (actinoid)
- Block in periodic table: f
- Shell structure: 2.8.18.32.29.8.2
- CAS Registry: 7429-92-7
Einsteinium atoms have 99 electrons and the shell structure is 2.8.18.32.29.8.2. The ground state electronic configuration of neutral einsteinium is [Rn].5f11.7s2 and the term symbol of einsteinium is 5I15/2.
Einsteinium: description
Einsteinium is radioactive rare earth metal named after Albert Einstein. It is of no commercial importance and only a few of its compounds are known.
Einsteinium: physical properties
- Density of the chemical elements on a miniature periodic table spark table Density of solid: 13500 kg m-3
- Molar volume of the chemical elements on a miniature periodic table spark table Molar volume: 28.52 (seems high?) cm3
- Thermal conductivity of the chemical elements on a miniature periodic table spark table Thermal conductivity: 10 (estimate) W m‑1 K‑1
Einsteinium: heat properties
- Melting point on a miniature periodic table spark table Melting point: 1133 [860 °C (1580 °F)] K
- Boiling point on a miniature periodic table spark table Boiling point: (no data) K
- Enthalpy of fusion on a miniature periodic table spark table Enthalpy of fusion: 20.5 kJ mol-1
Einsteinium: atom sizes
- Atomic radius (empirical) of the chemical elements on a miniature periodic table spark table Atomic radius (empirical): (no data) pm
- Covalent (single bond) radius on a periodic table spark table Molecular single bond covalent radius: 165 (coordination number 3) ppm
- van der Waals radius on a periodic table spark table van der Waals radius: (no data) ppm
Einsteinium: electronegativities
- Pauling electronegativity of the chemical elements on a miniature periodic table spark table Pauling electronegativity: 1.3 (Pauling units)
- Allred-Rochow electronegativity of the chemical elements on a miniature periodic table spark tableAllred Rochow electronegativity: 1.2 (Pauling units)
- Mulliken-Jaffe electronegativity of the chemical elements on a miniature periodic table spark tableMulliken-Jaffe electronegativity: (no data)
Einsteinium: orbital properties
- First ionization energy the chemical elements on a miniature periodic table spark table First ionisation energy: 614.38 kJ mol‑1
- Second ionization energy the chemical elements on a miniature periodic table spark table Second ionisation energy: 1180 kJ mol‑1
- Third ionization energy the chemical elements on a miniature periodic table spark table Third ionisation energy: 2190 kJ mol‑1
Einsteinium: abundances
- Chemical elements abundance by weight in the universe on a miniature periodic table spark tableUniverse: (no data) ppb by weight
- Chemical elements abundance by weight in the earth's crust on a miniature periodic table spark tableCrustal rocks: (no data) ppb by weight
- Chemical elements abundance by weight in humans on a miniature periodic table spark tableHuman: (no data) ppb by weight
Einsteinium: crystal structure
Einsteinium: biological data
- Human abundance by weight of the chemical elements on a miniature periodic table spark table Human abundance by weight: (no data) ppb by weight
Einsteinium has no biological role.
(追記) (追記ここまで)
Einsteinium: uses
Einsteinium: reactions
Reactions of einsteinium as the element with air, water, halogens, acids, and bases where known.
Einsteinium: binary compounds
Binary compounds with halogens (known as halides), oxygen (known as oxides), hydrogen (known as hydrides), and other compounds of einsteinium where known.
Einsteinium: compound properties
Bond strengths; lattice energies of einsteinium halides, hydrides, oxides (where known); and reduction potentials where known.
Einsteinium: history
Einsteinium was discovered by Workers at Argonne, Los Alamos, USA, and the University of California at Berkeley, USA. in 1952 at USA. Origin of name: named after "Albert Einstein".Einsteinium: isotopes
Einsteinium: isolation
Isolation: coming soon!