Classes of metals products with soft bases, which are bases with covalent bonds. The IUPAC Gold Book provides a more general definition of a class (a) metal ion, as "A metal ion that combines preferentially with ligands containing ligating atoms that are the lightest of their Periodic Group", and a class (b) metal as one that combines preferentially with ligands containing ligating atoms other than the lightest of their Periodic Group. Classes of metals Class A metals are metals that form hard acids. Hard acids are acids with relatively ionic bonds. These metals, such as iron, aluminium, titanium, sodium, calcium and the lanthanides,
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