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Atomic Mass Ordering and Isotopes — Edexcel GCSE Chemistry 1CH0
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Chemistry
Edexcel GCSE Chemistry
Key Concepts in Chemistry
The Periodic Table
Atomic Mass Ordering and Isotopes
Edexcel GCSE Chemistry · 1CH0
Atomic Mass Ordering and Isotopes
What you need to know
Explain that Dmitri Mendeleev thought he had arranged elements in order of increasing relative atomic mass.
Explain that this order was not always true due to the relative abundance of isotopes of some pairs of elements.
Revision notes
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Atomic Mass Ordering and Isotopes
4 key terms
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Previous subtopic
Mendeleev's Predictions
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Atomic Number and Position
