Bohrium

Niels Bohr

Bohrium hassium meitnerium ceremony

Bohrium is a synthetic chemical element with the symbol Bh and atomic number 107. It is named after the Danish physicist Niels Bohr. As a synthetic element, it is not found naturally on Earth and can only be created in a laboratory.

Discovery

Bohrium was first synthesized in 1981 by a team of scientists at the Gesellschaft für Schwerionenforschung (GSI) in Darmstadt, Germany. The team, led by Peter Armbruster and Gottfried Münzenberg, bombarded a target of bismuth-209 with accelerated nuclei of chromium-54, resulting in the creation of bohrium.

Properties

Bohrium is a member of the transition metals and is part of the 7th period and group 7 of the periodic table. Due to its position in the periodic table, it is expected to have similar properties to other group 7 elements, such as manganese, technetium, and rhenium. However, due to its short half-life, many of its properties have not been observed directly.

Physical Properties

The physical properties of bohrium are largely unknown due to its extremely short half-life. It is expected to be a solid under normal conditions and to have a high density.

Chemical Properties

Bohrium is expected to exhibit chemical properties similar to those of other group 7 elements. It is predicted to form compounds in the +7 oxidation state, similar to rhenium and technetium.

Isotopes

Several isotopes of bohrium have been synthesized, with the most stable isotope being bohrium-270, which has a half-life of approximately 61 seconds. Other isotopes include bohrium-267, bohrium-271, and bohrium-272, all of which have shorter half-lives.

Applications

Due to its short half-life and the difficulty in producing it, bohrium has no practical applications outside of scientific research. It is primarily used in the study of the properties of heavy elements and the synthesis of new elements.

See Also

• Periodic table
• Transition metals
• Synthetic elements
• Niels Bohr
• Gesellschaft für Schwerionenforschung

External Links

Template:Periodic table

This chemical element related article is a stub. You can help WikiMD by expanding it.