Allotropes of phosphorus Allotropes of phosphorus Elemental phosphorus can exist in several allotropes, the most common of which are white and red solids. Solid violet and black allotropes are also known. Gaseous phosphorus exists as diphosphorus and atomic phosphorus. White phosphorus, yellow phosphorus or simply tetraphosphorus (P) exists as molecules made up of four atoms in a tetrahedral structure. The tetrahedral arrangement results in ring strain and instability. The molecule is described as consisting of six single P–P bonds. Two different crystalline forms are known. The α form is defined as the standard state of the element, but is actually metastable under standard
Black or White skit that precedes the album version of the song. Slash did, however, play the main riff during live performances of the song. To prepare the audience for the special occasion of the televised premiere of the "Black or White" video, Epic records released the song (without the accompanying images) to radio stations just two days in advance. In a period of twenty-four hours, "Black or White", described by the record company as "a rock 'n' roll dance song about racial harmony", had been added to the playlists of 96 percent of 237 of the United States of America's top forty