氡
{{Infobox element | name=氡 | enname=Radon | number=86 | symbol=Rn | left=砹 | right=鍅 | above=氙 | below=⿹气奧}-}} | series= 稀有氣體 | series comment= | group=18 | period=6 | block=p | appearance=無色氣體 (下图的光为放射性激发硫化锌磷光体而致) |imag…
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{{Infobox element | name=氡 | enname=Radon | number=86 | symbol=Rn | left=砹 | right=鍅 | above=氙 | below=⿹气奧}-}} | series= 稀有氣體 | series comment= | group=18 | period=6 | block=p | appearance=無色氣體 (下图的光为放射性激发硫化锌磷光体而致) |imag…