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Nickel is a chemical element; it has symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel is a hard and ductile transition metal .
Alchemical symbols were used to denote chemical elements and compounds, ... Nickel (in Bergman; previously used for regulus of sulfur) Oxygen (in Lavoisier)
Mineral symbols (text abbreviations) are used to abbreviate mineral groups, subgroups, and species, just as lettered symbols are used for the chemical elements. The first set of commonly used mineral symbols was published in 1983 and covered the common rock-forming minerals using 192 two- or three-lettered symbols. [ 1 ]
Periodic tables usually at least show the elements' symbols; many also provide supplementary information about the elements, either via colour-coding or as data in the cells. The above table shows the names and atomic numbers of the elements, and also their blocks, natural occurrences and standard atomic weights. For the short-lived elements ...
A nickel is a five-cent coin struck by the United States Mint. Composed of cupronickel (75% copper and 25% nickel), the piece has been issued since 1866. Its diameter is 0.835 inches (21.21 mm) and its thickness is 0.077 inches (1.95 mm). The silver half dime, equal to five cents, was issued from 1792 to 1873 before today's cupronickel version.
unununium (Uuu, '111'): temporary systematic name and symbol. [61] Copernicium (Cn) 112 Copernicus, Nicolaus Polish via Latin Polish surname, literally: "copper nickel" eponym Named in honour of Nicolaus Copernicus. · Former names: eka-mercury, [21] and temporarily systematic name and symbol ununbium (Uub, '112'): temporary systematic name and ...
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Group 11, by modern IUPAC numbering, [1] is a group of chemical elements in the periodic table, consisting of copper (Cu), silver (Ag), gold (Au), and roentgenium (Rg), although no chemical experiments have yet been carried out to confirm that roentgenium behaves like the heavier homologue to gold.