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Mendelevium

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Identification
Molecular formula
Md
CAS number
7440-11-1
IUPAC name
mendelevium
State
State

At room temperature, mendelevium is a solid. As a member of the actinide series, it is expected to be metallic, but due to its radioactivity, little is verified about its chemistry and state in bulk form.

Melting point (Celsius)
827.00
Melting point (Kelvin)
1 100.00
Boiling point (Celsius)
830.00
Boiling point (Kelvin)
1 103.00
General information
Molecular weight
258.00g/mol
Molar mass
258.0000g/mol
Density
10.3000g/cm3
Appearence

Mendelevium is a synthetic element and typically does not have any large-scale applications or a commercial appearance. It is produced in minute quantities and usually encountered as a target or a tracer in scientific research.

Comment on solubility

Solubility of Mendelevium

Mendelevium, represented by the chemical symbol Md, is an intriguing element with unique solubility characteristics, largely due to its position as a heavy actinide. The solubility of mendelevium compounds can be influenced by various factors, such as pH, temperature, and the presence of complexing agents.

Key Points on Solubility:

  • Insoluble in Water: Mendelevium itself is generally considered to be insoluble in water, which is typical of many heavy actinide elements.
  • Solubility in Organic Solvents: Some mendelevium salts may exhibit varying degrees of solubility in organic solvents.
  • Pseudoelement Behavior: Mendelevium can sometimes act similarly to other f-elements in terms of solubility when forming complexes with anions, leading to enhanced solubility under certain conditions.

However, definitive solubility data on mendelevium compounds is quite limited, owing to its radioactive nature and the challenges associated with handling and analyzing such materials. As a result, the details surrounding the solubility of mendelevium remain an area of ongoing research, often eliciting the response: “Where the elements converge, the questions arise!

Interesting facts

Discovering Mendelevium

Mendelevium is a fascinating and relatively rare element, classified among the actinides in the periodic table. Here are some interesting facts that highlight its uniqueness:

1. Named After a Pioneer

Mendelevium was named in honor of the great Russian chemist Dmitri Mendeleev, who is renowned for creating the periodic table of elements. This tribute signifies its connection to the foundational structure of chemistry.

2. Synthetic Element

This element is known as a synthetic element, which means it is not found naturally on Earth. Instead, it was first produced in a laboratory setting in 1955 by a team of scientists led by Albert Ghiorso. This discovery involved bombarding einsteinium with alpha particles in a particle accelerator.

3. Radioactive Properties

Mendelevium is also notable for its radioactive isotopes, with the most stable isotope being 258Md. This isotope has a half-life of around 51.5 days, which makes it a subject of interest for research in nuclear chemistry and physics.

4. Limited Applications

  • Due to its radioactivity and scarcity, elements like mendelevium have limited practical applications compared to more stable elements.
  • However, it plays a role in basic research and is used to aid the understanding of actinide behavior in various nuclear reactions.

5. Chemical Behavior

Mendelevium's chemical properties are still not fully understood, largely due to its limited availability. Scientists suspect that it behaves similarly to other actinides, potentially forming stable complexes with other elements.

Conclusion

Mendelevium stands as a symbol of human curiosity and the pursuit of knowledge in the field of chemistry. Its discovery not only honors a historical figure but also opens the door to further exploration in the captivating world of synthetic elements.

Synonyms
MENDELEVIUM
mendelevio
unnilunium
mendelevium atom
LW3E571O0Z
MENDELEVIUM [MI]
7440-11-1
UNII-LW3E571O0Z
101Md
CHEBI:33395
DTXSID90225386
DTXCID90147877
Md
Q1898