Added: 4 years ago
From: uberchicgeek
Views: 7,658
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  • i saw the hall,very near from me for the castle of mind of dream every one now..

  • 1/5

    Wrong facts:

    - Flourine is colored pale yellow or white.

    - Helium is also a nobel gas

    - Why should radon be toxic? It's radioactive, not toxic. All nobel gases aren't toxic at all.

    - The effect of fluorine to prevent tooth decay isn't proved. (toxicity of NaF)

    - Astatine is radioactive and has a radioactive half life of 8,3h (longest)

    In a professional presentation, there shouldn't be music and videos like those. Sorry

  • There is no Helium in the introduce of the noble gases...

  • idk my bff jill

  • hey the vids great, I was wondering what the song is on 00:15.

  • reptilia - the strokes

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