Kemitecken
Kemitecken - an exercise made by oriborichori 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.
CO₂ Koldioxidmolekyl
H₂CO₃ Kolsyramolekyl
H₂O Vattenmolekyl
CO Koloxidmolekyl
2O₂ Två syremolekyler
2H₂O Två vattenmolekyler
O Syreatom
C Kolatom
O₂ Syremolekyl