Periodiska Systemet

The exercise was created 2023-11-13 by akepet. Question count: 18.

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  • grupp samma egenskap
  • period samma antal eletronskal
  • Hur många elektroner max K skal 2
  • Hur många elektroner max L skal 8
  • proton laddning plus
  • neutron laddning neutral
  • elektronladdning minus
  • isotop atom med förändrat antal neutroner
  • Väte H
  • Syre O
  • Kol C
  • Magnesium Mg
  • Klor Cl
  • K Kalium
  • Ädelgas Fulla elektronskal
  • Alakalimetall Na
  • Valenselektroner Elektroner i yttersta skalet
  • Antal grundämnen 118

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