Card 1 of 20
What happens to atoms during a chemical reaction?
A
Atoms are rearranged; none are created or destroyed.
B
Mass is conserved when every substance stays inside the container.
C
The carbon dioxide still has mass; conservation includes the gas in the surroundings.
D
Nothing leaves the flask, so the atoms forming the precipitate were already inside it.
Card 1 of 20
2.6.3 Conservation of mass Flashcards
20 flashcards on Edexcel GCSE Chemistry 2.6.3 Conservation of mass: the key terms, definitions and equations you need to recall for Paper 1 and Paper 2.