Cambridge Secondary (7-9). Stage 9. MCE Science. Workbook - Unit 6: Displacement Reactions - Question 4

Work in small groups. Construct the molecules in these symbol equations using the model kit or coloured balls. Choose a colour to represent each element (for example, red for oxygen, white for hydrogen and black for carbon).

CH₄ + 2O₂ → CO₂ + 2H₂O