Nobelium

Nobelium, also known as unnilbium, is a synthetic element in the periodic table that has the symbol No and atomic number 102. A radioactive metallic transuranic element in the actinide series, nobelium is synthesized by bombarding curium with carbon ions. It was first identified by a team led by Albert Ghiorso and Glenn T. Seaborg in 1958.

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Little is known about nobelium and only small quantities of it have ever been produced. It has no uses whatsoever outside of the laboratory. Its most stable isotope, nobelium-259, has a half-life of 58 minutes and decays to fermium-255 through alpha decay or to mendelevium-259 through electron capture.

Synthetic element: The chemical elements labelled as "synthetic" are unstable, with a half-life so short (ranging from a fraction of millisecond to a few million years) relative to the age of the Earth that any atoms of that element that may have been present when the Earth formed have long since completely decayed aw...

Periodic table: The periodic table of the chemical elements, also called the Mendeleev periodic table, is a tabular display of the known chemical elements. First created by Dmitri Mendeleev, the elements are arranged by electron configuration so that many chemical properties follow a regular pattern across the tabl...

Atomic number: The atomic number (Z) is a term used in chemistry and physics to represent the number of protons found in the nucleus of an atom. In an atom of neutral charge, the number of electrons typically equals the atomic number....