Period 6 element between barium and hafnium, and radium and rutherfordium, respectively. This convention is entirely a matter of aesthetics and formatting practicality; a rarely used wide-formatted periodic table inserts the lanthanide and actinide series in their proper places, as parts of the table's sixth and seventh rows (periods). Lanthanum is a chemical element with the symbol La and atomic number 57. It is the first element in the lanthanide series. It is a soft, ductile, silvery-white metal that tarnishes rapidly when exposed to air and is soft enough to be cut with a knife. It is the eponym of the lanthanide series,
Element Eighty Element Eighty Element Eighty was a four-piece nu metal band from Tyler, Texas. The band formed in 2000. The band split in 2006, only to be reunited a few months later in 2007. Their first album was named after the chemical element mercury, which has number eighty in the Periodic Table of the Elements. Element Eighty formed in 1998, and self-released their debut album "Mercuric" on June 21, 2001. In April 2003, the band signed a deal with Universal/Republic Records. Their self-titled album "Element Eighty" was released on October 28, 2003. The band toured with such artists as Sevendust, Mudvayne,