Nobelium

Nobelium (IPA: /ˌnə(ʊ)ˈbiːliəm/), also known as unnilbium (IPA: /ˌjuːˈnɪlbiəm/, symbol Unb), 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 1957.