Dot and cross diagrams help us to model when ions are formed from atoms. Here’s an example using sodium and chlorine. They form ions which bond to form sodium chloride. 2. Work out how many electrons ...
Supercharge your GCSE Chemistry revision by listening to these podcasts from Bitesize and BBC Sounds. Listen on the BBC Sounds app to revise when you're out and about, or listen at home as part of ...
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