Halogener

The exercise was created 2018-09-15 by Iisooldee. Question count: 5.




Select questions (5)

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

  • 9 F
  • 17 Cl
  • 35 Br brom
  • 53 I jod
  • 85 At astat

All None

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