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...

White phosphorus, yellow phosphorus, or simply tetraphosphorus (P4) is an allotrope of phosphorus. It is a translucent waxy solid that quickly yellows...

Phosphorus has several allotropes that exhibit strikingly diverse properties. The two most common allotropes are white phosphorus and red phosphorus....

Red phosphorus is an allotrope of phosphorus. It is an amorphous polymeric red solid that is stable in air. It can be easily converted from white phosphorus...

californium have three allotropes each. In 2017, the concept of nanoallotropy was proposed. Nanoallotropes, or allotropes of nanomaterials, are nanoporous...

White phosphorus munitions are weapons that use one of the common allotropes of the chemical element phosphorus. White phosphorus is used in smoke, illumination...

black, or yellow allotropes. These various forms feature diverse structural motifs, with yellow arsenic enabling the widest range of reactivity. In particular...

dimensions. Both kinds of structures can be found as allotropes of phosphorus, arsenic, and selenium, although the long-chained allotropes are more stable in...

crystallize as different allotropes called "white", "red", and "black" phosphorus. White phosphorus forms molecular crystals composed of tetrahedral P4 molecules...

of the tubes. In 1876 the effect was named "cathode rays" by Eugen Goldstein. Hittorf's early investigations concerned the allotropes of phosphorus and...

phosphorus (P4). Allotropes are different chemical forms of the same element (not containing any other element). In that sense, allotropes are all homonuclear...

two-dimensional material consisting of phosphorus. It consists of a single layer of black phosphorus, the most stable allotrope of phosphorus. Phosphorene is analogous...

Political Eight, or "G7+1", see G8 P8 Group of pension funds P8, a hypothetical allotrope of phosphorus Danish public radio station DR P8 Jazz 8P (disambiguation)...

of the periodic table. This group is also known as the nitrogen group or nitrogen family. Group 15 consists of the elements nitrogen (N), phosphorus (P)...

laboratory, a biosafety level 4 facility Tetraphosphorus (P4), an allotrope of phosphorus Group p4, the plane symmetry group wallpaper group p4 Progesterone...

stable allotrope of the element, such as graphite in the case of carbon, and the β-phase (white tin) in the case of tin. An exception is white phosphorus, the...

Allotropes of silicon are structurally varied forms of silicon. Amorphous silicon takes the form of a brown powder. Crystalline silicon has a metallic...

allotropes include rhombic sulfur and monoclinic sulfur. Rhombic sulfur is the more stable of the two allotropes. Monoclinic sulfur takes the form of...

with diverse molecular configurations called allotropes. The three relatively well-known allotropes of carbon are amorphous carbon, graphite, and diamond...

removal of yellow (spontaneously combustible) and red allotropes of phosphorus. The site is now home to Portishead volunteer coastguard. The onset of new...

nitrogen exists in only two known allotropes: α-nitrogen (below 35 K) and β-nitrogen (35–63 K). Measurements of the vapour pressure from 20–63 K suggest...

state is the pure liquid or solid under a pressure of 1 bar. For elements that have multiple allotropes, the reference state usually is chosen to be the...

densities similar to those of the other elements. When an element has allotropes with different densities, one representative allotrope is typically selected...

imino-derivatives find no echo with phosphorus, arsenic, antimony, or bismuth. By the same token, however, the complexity of the phosphorus oxoacids finds no echo...

of benzene and is expected to have a similar planar structure due to resonance stabilization and its sp2 nature. Although several other allotropes of...

known allotropes that exist at room temperature. These allotropes are known as the amorphous and the crystalline allotropes. The amorphous allotrope is a...

ISBN 978-0-12-352651-9. Steudel, Ralf; Eckert, Bodo (2003). Solid Sulfur Allotropes Sulfur Allotropes. Topics in Current Chemistry. Vol. 230. pp. 1–80. doi:10.1007/b12110...

eat, and the severe health complications of working with allotropes of white phosphorus, which caused phosphorus necrosis also known as phosphorimus chronicus...

sodium, silver foil, or phosphorus. When heated to decomposition it emits highly toxic fumes of bromine and explodes. The amount of compound used during...

thermodynamically stable allotropes at standard pressure, but several other crystal structures are known at higher pressures. The general trend is one of increasing...