Alkalimetal: Forskelle mellem versioner

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m Retter {{Commonscat}} til {{Commonscat-gl}} I forbindelse med skift af layout - fjern gerne denne ændring hvis fladt layout ser bedre ud; kosmetiske ændringer
m Bot: Erstatter skabelon: Commonscat-gl
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== Eksterne henvisninger ==
{{Commonscat-gl|Alkali metals}}
* [http://physicsweb.org/article/news/6/4/6 10 April 2002, PhysicsWeb: Hydrogen metal on the horizon] Citat: "...Now an experimental study of solid hydrogen at pressures up to 320 GPa predicts that it will become metallic at a pressure of 450 GPa - over four million times atmospheric pressure...."
* http://video.google.com/videoplay?docid=-2134266654801392897 Et videoklip fra tv-programmet [[Brainiacs]], der viser alkalimetallernes reaktion i vand