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