Period 6 element the last stable element; all subsequent elements are radioactive. For bismuth, however, its only primordial isotope, Bi, has a half-life of more than 10 years, over a billion times longer than the current age of the universe. As a rule, period 6 elements fill their 6s shells first, then their 4f, 5d, and 6p shells, in that order; however, there are exceptions, such as gold. This period contains the lanthanides, also known as the "rare earths". Many lanthanides are known for their magnetic properties, such as neodymium. Many period 6 transition metals are very valuable, such as gold, however many
He Was King "He Was King" was average. At Metacritic, which assigns a normalized rating out of 100 to reviews from mainstream critics, the album has received an average score of 63, based on nine reviews. All songs written by Felix da Housecat (Felix Stallings). He Was King He Was King is an album recorded by Felix da Housecat, released worldwide just two days before his 38th birthday on August 25, 2009 via Nettwerk Records. The album was described by Felix as follows, "Whereas "Kittenz and Thee Glitz" was straight up electro, "He Was King" is straight Felix da Housecat pop with a