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.
Sulfitjon
Fosfatjon
Cyanidjon
Ammoniumjon
Karbonatjon
Hydroxidjon
Nitritjon
Sulfatjon
Nitratjon