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The chemical element darmstadtium is discovered.
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Chemical element
Chemical substance not composed of simpler ones
A chemical element is a chemical substance whose atoms all have the same number of protons. The number of protons is called the atomic number of that element. For example, oxygen has an atomic number of 8: each oxygen atom has 8 protons in its nucleus. Atoms of the same element…Source: Wikipedia (CC BY-SA)
Darmstadtium
Chemical element with atomic number 110 (Ds)
Darmstadtium is a synthetic chemical element; it has symbol Ds and atomic number 110. It is extremely radioactive: the most stable known isotope, darmstadtium-281, has a half-life of approximately 14 seconds. Darmstadtium was first created in November 1994 by the GSI Helmholtz…Source: Wikipedia (CC BY-SA)