Ädelgaser

The exercise was created 2018-09-15 by Iisooldee. Question count: 6.




Select questions (6)

Normally, all words in an exercise is used when performing the test and playing the games. You can choose to include only a subset of the words. This setting affects both the regular test, the games, and the printable tests.

All None

  • 2 He
  • 10 Ne
  • 18 Ar
  • 36 Kr krypton
  • 54 Xe xenon
  • 86 Rn radon

All None

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