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GCSE/DSE Chemistry - Element and Isotope
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This video covers：
0:24 What is Element
1:45 What is Isotope
3:35 What is Relative Isotopic Mass
6:30 What is Relative Atomic Mass
9:45 QnA
0:24 What is Element
1:45 What is Isotope
3:35 What is Relative Isotopic Mass
6:30 What is Relative Atomic Mass
9:45 QnA
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0:19:40
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