The exercise was created 2015-12-02 by hanna_bredin. Question count: 36.
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 Save
https://spellic.com/eng/exercise/no-periodiska-systemet.5496902.html