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Very few properties of rutherfordium or its compounds have been measured; this is due to its extremely limited and expensive production [70] and the fact that rutherfordium (and its parents) decays very quickly. A few singular chemistry-related properties have been measured, but properties of rutherfordium metal remain unknown and only ...
Rutherfordium is expected to be a solid under normal conditions and have a hexagonal close-packed crystal structure (c / a = 1.61), similar to its lighter congener hafnium. [33] It should be a metal with density ~17 g/cm 3. [44] [45] The atomic radius of rutherfordium is expected to be ~150 pm.
118 chemical elements have been identified and named officially by IUPAC.A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z).
The Joint Institute for Nuclear Research in Dubna (then USSR, today Russia) named element 104 kurchatovium (Ku) in honor of Igor Kurchatov, father of the Soviet atomic bomb, while the University of California, Berkeley, US, named element 104 rutherfordium (Rf) in honor of Ernest Rutherford.
Rutherfordium has also been called kurchatovium (Ku), named in honour of Igor Kurchatov, who helped develop understanding of the uranium chain reaction and the nuclear reactor. · Former name unnilquadium (Unq, '104'): temporary systematic name and symbol [ 61 ] [ 22 ]
Heavy metals is a controversial and ambiguous term [2] for metallic elements with relatively high densities, atomic weights, or atomic numbers.The criteria used, and whether metalloids are included, vary depending on the author and context and it has been argued that the term "heavy metal" should be avoided.
A number of other elements are named after classical words for various places. Ruthenium is from the Latin name for the region including Belarus, Ukraine, and Russia. [29] Lutetium is named after Lutetia, the Latin name for Paris. Copper's name comes from an Old English word derived from the Latin name for the island of Cyprus. [30]
With its similar properties to and lower cost than rhodium, electric contacts are a major use of ruthenium. The ruthenium plate is applied to the electrical contact and electrode base metal by electroplating or sputtering. Osmium is a hard but brittle metal that remains lustrous even at high temperatures. It has a very low compressibility.