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{{Short description|Solid form of the 7th element}} {{cleanup|reason=Formatting of mathematical formulas.|date=March 2018}} ...

...us chemistry]]. Their strain also make them of interest in the development of energy-dense compounds. ...lly stable|thermodynamically]] strained molecule via the corset effect. As of 2023, the unencumbered tetrahedrane (H₄C₄) has yet to ...

{{Short description|Loss of plasticity in ferritic stainless steel}} | caption1 = [[Electron backscatter diffraction]] map of 128 hrs age hardened duplex stainless steel with the ferrite phase forming ...

[[File:F55.tif|thumb|upright=1.2|An ingot of 2507 duplex stainless steel]] ...f two phases, [[austenite]] (face-centered cubic lattice) and [[Allotropes of iron|ferrite]] (body centered cubic lattice) in roughly equal proportions. ...

{{Short description|Metastable phase of tungsten}} [[File:Unit Cell of Beta-Tungsten.png|thumb|The [[unit cell]] of beta-tungsten]] ...

...still [[solid]]) and predictions of the crystalline structures of the rest of the elements. The following table gives the crystalline structure of the most thermodynamically stable form(s) for elements that are solid at [[ ...

...om its geometry, as an abstract [[undirected graph]], a [[covering graph]] of the [[complete graph]] on four vertices. ...kew polyhedron]], a surface with six squares meeting at each integer point of space. ...

The '''Glossary of fuel cell terms''' lists the definitions of many terms used within the [[fuel cell]] industry. The terms in this fuel c ...umulates on the surface of a solid or a liquid (adsorbent), forming a film of molecules or atoms (the [[adsorbate]]). ...

{{short description|Hydrocarbon compounds composed of rings fused such that the molecule is nonplanar}} ...olin|date=2014-12-19|title=Contorted Polycyclic Aromatics|journal=Accounts of Chemical Research|volume=48|issue=2|pages=267–276|doi=10.1021/ar500355d|pmi ...