Chem Explorers

Bohrium: Unraveling the Mystique of an Intriguing Element

Bohrium: The Element With A Place In

History And Science

Bohrium is a radioactive, synthetic element with the atomic symbol Bh. It is a member of the group 7 elements, and its placement in the periodic table is right below molybdenum. Bohrium is known for its unstable nature, and it has several isotopes.

Physical Properties

Although Bohrium has an atomic number of 107, its atomic mass is not known. This occurs because Bohrium is not available in sufficient quantities for scientists to measure accurately.

The element has a melting point of 2700 degrees Celsius and a boiling point of 4730 degrees Celsius. The density of Bohrium is estimated to be around 37.1 grams per cubic centimeter.

Chemical Properties

Bohrium is known to have an oxidation state of +7, which means that it is highly reactive. Its most common oxidation state is +7, although it can also have other oxidation states.

One of the isotopes of Bohrium, 270Bh, is known to have a half-life of approximately 61 seconds.

History

Bohrium was first synthesized by a team of scientists led by Peter Armbruster, Gottfried Munzenberg, and their collaborators at the Institute for Heavy Ion Research in Darmstadt, Germany, in 1981. The team used a linear accelerator to bombard targets of bismuth-209 with beams of chromium-54.

Over time, they separated the products of the reaction and identified the isotope 262Bh (bohrium-262). The discovery of Bohrium was not without controversy.

The team in Germany submitted a claim for the discovery to the International Union of Pure and Applied Chemistry (IUPAC) in 1992. At the same time, a team of Russian scientists also filed a claim for the discovery of Bohrium, which they said they had produced in 1976.

After a lengthy negotiation, the IUPAC recognized the German team’s claim, and only they were awarded credit for the discovery.

Name and Identification

Bohrium is named after the Danish physicist Niels Bohr, who is best known for his work on atomic structure. The IUPAC officially recognized the element and its name in 1997.

The element is identified by its atomic number, which is 107, and its CAS number, which is 54037-14-8. Its chemical symbol is Bh.

Isolation

Bohrium is a synthetic element, which means that it cannot be isolated from nature, and it can only be produced artificially. The most common method used to produce Bohrium is through the synthesis of bismuth-209 and chromium-54.

This method of production is carried out using a particle accelerator. The reaction produces a variety of heavy isotopes, including Bohrium.

The discovery of Bohrium is not without controversy. Several scientists have claimed to have discovered the element, but the IUPAC only recognizes the German team’s claim.

This occurrence highlights the importance of credibility in the scientific community. In conclusion, Bohrium is a synthetic, radioactive element that has a place in both history and science.

Its unique properties make it a valuable element to study, and its discovery is a testament to the importance of collaboration and credibility in scientific discovery.

Properties and Characteristics of Bohrium

Bohrium is a synthetic, radioactive element that has properties and characteristics that are both unique and intriguing. In this article, we will explore the various physical, magnetic, and atomic properties of this element, as well as its uses and hazards.

We will also uncover some interesting facts about Bohrium, including its naming and placeholder name, as well as its cost.

Physical Properties

Bohrium is a silver-grey metallic element with a lustrous appearance. It is a highly ductile and malleable metal, meaning that it can be easily worked into various shapes without breaking.

The element is also an excellent conductor of electricity and has a relatively low density of around 37.1 g/cm. Additionally, Bohrium is a solid at room temperature, with a melting point of approximately 2700C and a boiling point of around 4700C.

Magnetic Properties

Bohrium exhibits ferromagnetic properties, meaning that it is strongly attracted to a magnet. The element has a magnetic ordering of ferromagnetic, which is the strongest type of magnetic ordering.

Additionally, Bohrium has a magnetic susceptibility of -33 x 10^-9 m/kg, which is comparable to that of other ferromagnetic metals, such as iron.

Atomic Data

Bohrium has an atomic number of 107, which indicates that it contains 107 protons in its nucleus. The element has a valence electron configuration of 7s5f6d, which means that it has seven valence electrons.

The atomic structure of Bohrium is highly unstable due to its radioactive nature. The most stable isotope of Bohrium is 270Bh, which has a half-life of approximately 61 seconds.

Uses and Hazards

Due to its unstable and radioactive nature, Bohrium has no practical uses outside of scientific research. The element is produced in extremely small quantities, and the cost of producing it is quite high.

Bohrium is hazardous to handle and can be dangerous if ingested or inhaled. Researchers who work with Bohrium must follow strict safety protocols to prevent exposure and contamination.

Interesting Facts

Bohrium is named after the Danish physicist Niels Bohr, who is best known for his work on atomic structure. The IUPAC officially recognized the element and its name in 1997, in accordance with their principle of naming synthetic elements after scientists who have made significant contributions to the field.

Prior to being named Bohrium, the element was known as unnilseptium, which is a placeholder name based on its atomic number. The cost of producing Bohrium is unknown, as only a small amount has ever been produced.

The element is created through the synthesis of bismuth and chromium, in a process that requires the use of particle accelerators and other highly specialized equipment. In conclusion, Bohrium possesses unique physical, magnetic, and atomic properties that make it an intriguing element to study.

Due to its highly unstable and radioactive nature, Bohrium has no practical applications outside of scientific research. Researchers who work with the element must follow strict safety protocols to prevent exposure and contamination.

Additionally, Bohrium’s naming and placeholder name, as well as its unknown cost, only add to its mystique and intrigue. Bohrium, a synthetic, radioactive element with atomic number 107, has unique and intriguing physical, magnetic, and atomic properties.

Aside from being an excellent conductor of electricity, Bohrium is ductile, malleable, and strongly attracted to magnets. Due to its unstable nature, Bohrium has no practical applications outside of scientific research, and those who work with it must follow strict safety protocols.

Interestingly, Bohrium is named after the Danish physicist Niels Bohr, whose work on atomic structure was groundbreaking. This synthetic element’s fascinating properties and place in history make it a valuable subject of study for scientists and curious minds alike.

FAQs:

– What is Bohrium?

Bohrium is a synthetic, radioactive element with atomic number 107, placed in the periodic table right below molybdenum.

– Why is Bohrium unique?

Bohrium has unique properties such as being an excellent conductor of electricity, ductile, malleable, and strongly attracted to magnets.

– What is Bohrium’s most stable isotope?

The most stable isotope of Bohrium is 270Bh, which has a half-life of approximately 61 seconds.

– What are the hazards of Bohrium?

Due to its radioactive nature, Bohrium is hazardous to handle and can be dangerous if ingested or inhaled.

Researchers are required to follow strict safety protocols to prevent exposure and contamination.

– How was Bohrium named?

Bohrium is named after the Danish physicist Niels Bohr, who is best known for his work on atomic structure.

– What is the cost of producing Bohrium?

The cost of producing Bohrium is unknown, as only a small amount has been produced, and the process requires the use of particle accelerators and other specialized equipment.

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