15 Phosphorus



The most common forms are white phosphorus, made up of phosphorus atoms arranged like a tetrahedron (a four-sided pyramid), above is the alchemical symbol for phosphorus.Blanco Luna. Phosphorescent Number 15. Substance of pure human hell through the art of war.

White phosphorus is the least stable, the most reactive, the most volatile, the least dense, and the most toxic of the allotropes. White phosphorus gradually changes to red phosphorus. The transformation is accelerated by light and heat. Samples of white phosphorus almost always contain some red phosphorus and appear yellow. For this reason, aged white phosphorus  or otherwise impure (e.g. weapons-grade, not lab-grade WP) is also called yellow phosphorus. When exposed to oxygen, white phosphorus glows in the dark with a very faint tinge of green and blue. It is highly flammable and pyrophoric (self-igniting) upon contact with air. Owing to its pyrophoricity, white phosphorus is used as an additive in napalm. White phosphorus is insoluble in water but soluble in carbon disulfide. Thermolysis of P4 at 1100 kelvin gives diphosphorus, P2. This species is not stable as a solid or liquid. The dimer unit has a triple bond and is analogous to N2. It can also be generated as a transient intermediate in solution by thermolysis of organophosphorus precursor reagents. At still higher temperatures, P2 dissociates into atomic P.  THe

Tetrahedron Phosphorus.png


Click to access WP-print-report-FINAL.pdf

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