Category:Primordial noble gases (featured picture set)

Media in category "Primordial noble gases (featured picture set)"

The following 4 files are in this category, out of 4 total.

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  Argon discharge tube.jpg 3,008 × 2,008; 1.9 MB
  
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  Helium discharge tube.jpg 3,008 × 2,008; 1.29 MB
  
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  Krypton discharge tube.jpg 3,008 × 2,008; 3.37 MB
  
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  Neon discharge tube.jpg 3,008 × 2,008; 2.14 MB