Kemi, joner
Kemi, joner - an exercise made by LukasNordal on Spellic.com.
1. Fold the right part of the paper back so that you can't se the answers.
2. Write the correct answer in the space below each question.
3. When done, fold the paper back and compare your answers.
Sulfatjon
Nitritjon
Cyanidjon
Sulfitjon
Karbonatjon
Hydroxidjon
Nitratjon
Fosfatjon
Ammoniumjon