- allotropes
- n. one of two or more forms of an element (Chemistry)
English contemporary dictionary. 2014.
allotropes
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Allotropes of sulfur — There are a large number of allotropes of sulfur. In this respect, sulfur is second only to carbon.[1] The most common form found in nature is yellow orthorhombic α sulfur, which contains puckered rings of S8.[1] Chemistry students may have seen… … Wikipedia
Allotropes of carbon — Eight allotropes of carbon: a) Diamond, b) Graphite, c) Lonsdaleite, d) C60 (Buckminsterfullerene or buckyball), e) C540, f) C70, g) Amorphous carbon, and h) single walled carbon nanotube or buckytube. This is a list of the allotropes of carb … Wikipedia
Allotropes of plutonium — Even at ambient pressure, plutonium occurs in a variety of allotropes. These allotropes differ widely in crystal structure and density; the α and δ allotropes differ in density by more than 25% at constant pressure. The presence of these many… … Wikipedia
Allotropes of oxygen — Contents 1 Atomic oxygen 2 Dioxygen 3 Singlet oxygen 4 Ozone … Wikipedia
Allotropes of phosphorus — Elemental phosphorus can exist in several allotropes; the most common of which are white and red. There are also violet and black phosphorus, and gaseous diphosphorus.White phosphorus White phosphorus , or yellow phosphorus , or simply… … Wikipedia
Allotropes of iron — Iron represents perhaps the best known example for allotropy in a metal. There are three allotropic forms of iron, known as alpha, gamma, and delta. As molten iron cools down it crystallises at 1538°C into its delta allotrope, which has a body… … Wikipedia
Allotropy — (Gr. allos , other, and tropos , manner) is a behavior exhibited by certain chemical elements: these elements can exist in two or more different forms, known as allotropes of that element. In each different allotrope, the element s atoms are… … Wikipedia
Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine … Wikipedia
Metalloid — 13 14 15 16 17 2 B Boron … Wikipedia
Chemical element — The periodic table of the chemical elements A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.[1] Familiar examples of … Wikipedia
