I vilken grupp?

The exercise was created 2022-10-10 by Astridhildell. Question count: 19.

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Select questions (19)

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.

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1 vätejon
1 litiumjon (+)
1 natriumjon
1 kaliumjon
1 rubidiumjon
1 cesiumjon
2 berylliumjon
2 magnesiumjon
2 kalciumjon
2 strontiumjon
2 bariumjon
13 aluminiumjon
15 nitridjon
16 oxidjon
16 sulfidjon
17 fluoridjon
17 kloridjon
17 bromidjon
17 jodidjon

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