Unbinilium
Unbinilium is a hypothetical (theoretical or imagined) element of the periodic table. It is also known as eka- radium. Its atomic number should be 120 and is has the symbol Ubn. The name Unbinilium and the symbol Ubn are temporary IUPAC names (meaning "one-two-zero-ium" in Latin). This name and symbol exists until a permanent name is decided and the element is discovered. It is expected to be a s-block element and an alkaline earth metal. It is the second element in the eighth period of the periodic table.