pptx, 50.99 KB
pptx, 50.99 KB
A presentation that helps students to understand that atoms are not lost or gained during a chemical reaction. Run the presentation and you will find some examples that can be done as a warm up activity. I start with Calcium chloride and then show how water is produced. It can be shown at KS3 or IB standard chemistry too. It can also be linked with moles.
Creative Commons "Sharealike"

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