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Einsteinium

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Identification
Molecular formula
Es
CAS number
7429-92-7
IUPAC name
einsteinium
State
State

Einsteinium typically exists as a metal at room temperature.

Melting point (Celsius)
860.00
Melting point (Kelvin)
1 133.15
Boiling point (Celsius)
1 133.00
Boiling point (Kelvin)
1 406.15
General information
Molecular weight
252.00g/mol
Molar mass
252.0000g/mol
Density
8.8400g/cm3
Appearence

Einsteinium is a synthetic, silvery metal. It is glows in the dark due to its radioactivity. As einsteinium is highly radioactive, it is typically handled in tiny amounts, and thus detailed descriptions of its bulk appearance are rarely available.

Comment on solubility

Solubility of Einsteinium

Einsteinium (Es, atomic number 99) is a member of the actinide series and is known for its radioactivity. Due to its position on the periodic table and its complex electronic structure, the solubility of einsteinium is limited and often not well-characterized. Here are a few key points regarding its solubility:

  • Hydrolysis: Einsteinium primarily exists as ionic species in solutions, and its solubility can significantly change depending on the pH of the solution. In acidic conditions, einsteinium ions may exhibit higher solubility due to decreased hydrolysis.
  • Complex Formation: Einsteinium tends to form complexes with various ligands, which can alter its solubility. The presence of ligands such as acetate or citrate can facilitate the dissolution of einsteinium in aqueous solutions.
  • Temperature Dependence: Like many metal ions, the solubility of einsteinium may also vary with temperature, showing an increase in solubility at elevated temperatures.
  • Limited Data: Due to its scarcity and radioactivity, comprehensive data on the solubility of einsteinium is limited, and much of the available information comes from theoretical calculations rather than practical experimentation.

In summary, the solubility of einsteinium is affected by various factors, including pH, the presence of complexing agents, and temperature. Researchers continue to explore the physical and chemical behaviors of this fascinating element due to its unique properties and potential applications in nuclear science.

Interesting facts

Interesting Facts about Einsteinium

Einsteinium is a fascinating element named after the renowned physicist Albert Einstein. This synthetic element is part of the actinide series and has some remarkable characteristics:

  • Discovery: Einsteinium was first identified in 1952 as a by-product of the first hydrogen bomb explosion, dubbed "Ivy Mike." This discovery marked a significant moment in nuclear chemistry.
  • Radioactivity: Being a radioactive element, einsteinium undergoes spontaneous fission. Its radioactivity makes it highly interesting for research, albeit also requiring careful handling.
  • Uses: Despite its rarity, einsteinium has been used in scientific research, particularly in studies focused on the synthesis of heavier elements and investigating nuclear reactions.
  • Collection: Only small amounts of einsteinium are produced each year, mainly in nuclear reactors and particle accelerators. This makes it extremely scarce and valuable.
  • Symbolic Significance: The name einsteinium pays homage to Einstein's immense contributions to physics, emphasizing the intersection of chemistry and fundamental theories of the universe.

As a chemical researcher or passionate student, understanding einsteinium opens doors to learning about the complexities of transuranium elements and their role in modern science. As physicist Richard Feynman once said, "The laws of quantum mechanics, as we know them, are the best description we have of the behavior of elementary particles." This is especially true when considering the behavior of such heavy and unstable elements as einsteinium, which continues to intrigue the scientific community.

Synonyms
EINSTEINIUM
einsteinio
einsteinium atom
7429-92-7
UNII-WV8XL34X3O
WV8XL34X3O
EINSTEINIUM [MI]
CHEBI:33393
DTXSID30225305
DTXCID90147796
Es
99Es
Q1892