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.
H₂CO₃ Kolsyramolekyl
2O₂ Två syremolekyler
H₂O Vattenmolekyl
C Kolatom
CO₂ Koldioxidmolekyl
CO Koloxidmolekyl
O Syreatom
O₂ Syremolekyl
2H₂O Två vattenmolekyler