Metallic Hydrogen Discovery
Researchers at Harvard have provided the first experimental demonstration of solid metallic hydrogen. At very high pressures, dihydrogen (H2) is converted to a solid with the properties of an atomic metal, including being reflective.
A popular press summary: https://phys.org/news/2017-01-metallic-hydrogen-theory-reality.html
The original research report in Science magazine: http://science.sciencemag.org/content/early/2017/01/25/science.aal1579/tab-pdf
Review: Properties of Solids
Two review websites covering metallic and ionic solids.
http://www.chem.fsu.edu/chemlab/chm1046course/solids.html
http://www.chem1.com/acad/webtext/states/crystals-cubic.html
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Interactive 3D Structural Models
A large collection of rotatable, interactive structures. From small molecules to metallic or ionic solids, this collection may have the molecule you are trying to see in 3D.
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Lattice Origami
Make your own 3D lattices using simple “origami”. (Tape required, unfortunately.)
https://www.ionicviper.org/system/files/LatticeSystemsOrigami-templates.pdf
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Review: Metallic Bonding
A review website on metallic bonding.
http://wiki.chemprime.chemeddl.org/index.php/CoreChem:Metallic_Bonding
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Semiconductors
An in-depth look at metallic bonding and semiconductors.
http://www.doitpoms.ac.uk/tlplib/semiconductors/index.php
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Structure of Crystals
Animated packing diagrams, lattice descriptions, and much more. A great resource for metallic bonding and salt/oxide structure. Don’t miss the navigation at the bottom of the page, where you can choose different lattice types.
http://departments.kings.edu/chemlab/animation/index.html
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