Sammansatta Joner

Sammansatta Joner - an exercise made by lovvan1 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.
ammoniumjon
karbonatjon
hydroxidjon
nitrat
fosfatjon
oxoniumjon
cyanidjon
nitrit