P-systemet grupp 18

The exercise was created 2020-10-13 by Whaaat. Question count: 7.




Select questions (7)

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  • Helium He
  • Neon Ne
  • Argon Ar
  • Krypton Kr
  • Xenon Xe
  • Radon Rn
  • Vad kallas de ämnen i grupp 18? Ädelgaser

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Shared exercise

https://spellic.com/eng/exercise/p-systemet-grupp-18.9977145.html

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