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Usage

Uses

Francium is too rare and radioactive to have any commercial applications. However, it does have some scientific uses, particularly in the field of atomic and nuclear physics. Atoms of francium provide an excellent opportunity to examine many aspects of atomic and nuclear physics, as well as the theory that unifies the electromagnetic and weak nuclear force into the electroweak force. These experiments are known as "table-top physics" to distinguish them from high-energy physics carried out in large particle accelerators.
Used in Scientific Research:
Francium is used as a subject for atomic and nuclear physics research, allowing scientists to study the properties of the electroweak force and other fundamental aspects of physics. This research contributes to a deeper understanding of the underlying principles governing the behavior of subatomic particles and forces.

History

The name derives from the country “France”, where the French physicist Marguerite Perey from the Curie Institute in Paris, France discovered it in 1939 in the alpha particle decay of actinium, 227Ac→4 He →223Fr, which was known as actinium-K and has a half-life of 22 minutes. An earlier claim of discovery in 1930 with the element name Virginium was determined to be incorrect. A similar claim for discovery of the element with atomic number 87 and named moldavium was also determined to be incorrect. The longest half-life associated with this unstable element is 22 minute 223Fr. This is the only isotope of francium occurring in nature, but at most there is only 20-30 g of the element present in the earth’s crust at any one time.

InChI:InChI=1/Fr