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Lawrencium, the radioactive synthetic element with atomic number 103, was first synthesized at the Lawrence Radiation Laboratory on the campus of the University of California, Berkeley.
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Lawrencium
Chemical element with atomic number 103 (Lr)
Lawrencium is a synthetic chemical element; it has symbol Lr and atomic number 103. It is named after Ernest Lawrence, inventor of the cyclotron, a device that was used to discover many artificial radioactive elements. A radioactive metal, lawrencium is the eleventh transuranium…Source: Wikipedia (CC BY-SA)
Synthetic element
Chemical elements that do not occur naturally
A synthetic element is a known chemical element that does not occur naturally on Earth: it has been created by human manipulation of fundamental particles in a nuclear reactor, a particle accelerator, or the explosion of an atomic bomb; thus, it is called "synthetic",…Source: Wikipedia (CC BY-SA)
Atomic number
Number of protons found in the nucleus of an atom
The atomic number or nuclear charge number of a chemical element is the charge number of its atomic nucleus. For ordinary nuclei composed of protons and neutrons, this is equal to the proton number (np) or the number of protons found in the nucleus of every atom of that element.…Source: Wikipedia (CC BY-SA)
Lawrence Berkeley National Laboratory
Laboratory near Berkeley, California, US
Lawrence Berkeley National Laboratory is a federally funded research and development center in the hills of Berkeley, California, United States. Established in 1931 by the University of California (UC), the laboratory is sponsored by the United States Department of Energy and…Source: Wikipedia (CC BY-SA)
University of California, Berkeley
Public university in Berkeley, California
The University of California, Berkeley is a public land-grant research university in Berkeley, California, United States. Founded in 1868 and named after the Anglo-Irish philosopher George Berkeley, it is the state's first land-grant university and is the founding campus of the…Source: Wikipedia (CC BY-SA)