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

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

Please click “read more” and rate this resource: Read More →

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.

http://www.chemtube3d.com

Please click “read more” and rate this resource: Read More →

Make your own 3D lattices using simple “origami”. (Tape required, unfortunately.)

https://www.ionicviper.org/system/files/LatticeSystemsOrigami-templates.pdf

Please click “read more” and rate this resource: Read More →

A review website on metallic bonding.

http://wiki.chemprime.chemeddl.org/index.php/CoreChem:Metallic_Bonding

Please click “read more” and rate this resource: Read More →

An in-depth look at metallic bonding and semiconductors.

http://www.doitpoms.ac.uk/tlplib/semiconductors/index.php

Please click “read more” and rate this resource: Read More →

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

Please click “read more” and rate this resource: Read More →