Phosphorus
41Phosphorus trioxide — Phosphorus trioxide …
42Phosphorus pentabromide — Phosphorus pentabromide …
43Phosphorus heptabromide — Other names Tetrabromophosphonium tribromide …
44Phosphorus, Sulfur, and Silicon and the Related Elements —   Titre abrégé Phosphorus Sulfur Silicon Relat. Elem …
45Phosphorus deficiency — Phosphorus (P) deficiency is a plant disorder that is most common in areas of high rainfall, especially on acid, clay or poor chalk soils. Cold weather can cause a temporary deficiency.All plants may be affected, although this is an uncommon… …
46Phosphorus acid — are oxoacids of phosphorus; examples include: *H3PO2; Hypophosphorous acid. Formed by the hydrolysis of phosphorus. *H3PO3; Phosphorous acid. *H2PO3; Hypophosphoric acid. Formed during the oxidation of phosphorus. *H3PO4; Phosphoric acid.… …
47Phosphorus (disambiguation) — Phosphorus may refer to: *Phosphorus, a chemical element. *Phosphorus (morning star), the Greek name of the morning star. *Doctor Phosphorus, a Batman villian …
48Phosphorus steel — A steel in which the amount of phosphorus exceeds that of carbon. [Webster 1913 Suppl.] …
49Phosphorus sulfide — may mean: * phosphorus pentasulfide, P2S5 * phosphorus sesquisulfide, P4S3 …
50phosphorus pentoxide — n a compound known in various polymeric forms (P2O5)x that is obtained usu. by burning phosphorus in an excess of dry air, occurs as a white powder that reacts vigorously and sometimes explosively with water to form phosphoric acids irritating to …