Inteh
Inteh is a rare and enigmatic element with the atomic number 119, situated in the periodic table under the group 19 elements, which includes the noble gases. It is a synthetic element, first synthesized in 2005 by a team of Russian and American scientists at the Joint Institute for Nuclear Research in Dubna, Russia. The discovery was confirmed in 2016 by the International Union of Pure and Applied Chemistry (IUPAC).
Inteh is highly radioactive, with a half-life of approximately 0.89 milliseconds. Its most stable isotope, Inteh-294,
The chemical properties of Inteh are not well understood due to its extreme rarity and short half-life.