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2.2.3 Atomic Mass Ordering and Isotopes — Edexcel Chemistry 1CH0 | GradeGen.AI
Chemistry
Key Concepts in Chemistry
The Periodic Table
Atomic Mass Ordering and Isotopes
Atomic Mass Ordering and Isotopes
Edexcel GCSE Chemistry (1CH0) — Key Concepts in Chemistry
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.
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Atomic Mass Ordering and Isotopes
6 key terms
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Mendeleev's Predictions
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Atomic Number and Position
