Thank you for sharing this. I found it really helpful as I am a non specialist chemist teaching EAL students and I could adapt it with ease.
karenshaw
5 years ago
Glad it's of use. I have also used bags sweets as a visual for the same No of atoms / molecules with different mass. 2 bags - one with 6 sweets of one variety and another with 6 sweets of another variety with an obvious difference in mass that the pupils could compare.
Empty reply does not make any sense for the end user
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