Cn-102 is a synthetic element that belongs to the group of heavy elements in the periodic table. It is classified as a transuranium element, meaning it is heavier than uranium. Cn-102 has a very short half-life, making it highly unstable and difficult to study. This element was first synthesized in 1970 by a team of scientists at the Joint Institute for Nuclear Research in Dubna, Russia. Due to its instability, Cn-102 does not occur naturally and is primarily used for research purposes in nuclear chemistry and physics.