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.
Cyanidjon
Ammoniumjon
Nitritjon
Hydroxidjon
Karbonatjon
Sulfitjon
Fosfatjon
Sulfatjon
Nitratjon