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element allotrope article |format=wl infobox text |format=infobox; 5 boron: Allotropes of boron: α-, β-rhombohedral, β-tetragonal (and more) 6 carbon: Allotropes of carbon: graphite, diamond and more (see Allotropes of carbon) 7 nitrogen: Allotropes of nitrogen: see § Allotropes: 8 oxygen: Allotropes of oxygen: O 2, O 3 and more (see ...
Diamond and graphite are two allotropes of carbon: pure forms of the same element that differ in crystalline structure.. Allotropy or allotropism (from Ancient Greek ἄλλος (allos) 'other' and τρόπος (tropos) 'manner, form') is the property of some chemical elements to exist in two or more different forms, in the same physical state, known as allotropes of the elements.
In addition to the element's name, symbol, and atomic number, each element box has a drawing of one of the element's main human uses or natural occurrences. The table is color-coded to show the chemical groupings.
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Americas, where the element was first synthesized, by analogy with its homolog europium: f-block groups 7 f-block [243] 12: 1449: 2880 – 1.13 – synthetic: solid 96 Cm Curium: Pierre and Marie Curie, physicists and chemists f-block groups 7 f-block [247] 13.51: 1613: 3383 – 1.28 – synthetic solid 97 Bk Berkelium
This is a documentation subpage for Template:List of chemical elements. It may contain usage information, categories and other content that is not part of the original template page. Used in article List of chemical elements § List .
Although white phosphorus forms the tetrahedron, the simplest possible Platonic hydrocarbon, no other polyhedral phosphorus clusters are known. [7] White phosphorus converts to the thermodynamically-stabler red allotrope, but that allotrope is not isolated polyhedra.
Atomic oxygen, denoted O or O 1, is very reactive, as the individual atoms of oxygen tend to quickly bond with nearby molecules.Its lowest-energy electronic state is a spin triplet, designated by the term symbol 3 P.