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