Cn-101 is a synthetic element with the atomic number 101. It is part of the actinide series and is classified as a transuranium element, meaning it is heavier than uranium. Cn-101 is highly radioactive and has a very short half-life, making it difficult to study. Discovered in 1955, Cn-101 was created by bombarding curium with calcium ions. Due to its instability, it has no significant commercial applications and is primarily of interest for research in nuclear chemistry and physics. Its isotopes are produced in minute quantities in specialized laboratories.