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History of the Periodic Table — AQA GCSE Chemistry 8462
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Chemistry
AQA GCSE Chemistry
Atomic structure and the periodic table
The Periodic Table
History of the Periodic Table
AQA GCSE Chemistry · 8462
History of the Periodic Table
What you need to know
Describe early attempts to classify elements by atomic weight.
Explain Mendeleev's contribution, including leaving gaps for undiscovered elements and reordering based on properties.
Explain how the discovery of isotopes resolved discrepancies in atomic weight ordering.
Revision notes
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History of the Periodic Table
6 key terms
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Previous subtopic
Periodic Table Organization
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Metals and Non-Metals
