Johann Wolfgang Dobereiner1829
Publishes a more developed account of elemental triads and shows that the middle member often has an atomic weight close to the average of the other two.
Germany · Science / Chemistry. Chronological records rendered directly from the World History Database.
Publishes a more developed account of elemental triads and shows that the middle member often has an atomic weight close to the average of the other two.
This factsheet is generated from stored World History Database records matching the country, broad category, detailed category and exact Event value shown above. Duplicate display records are collapsed; database wording is otherwise preserved. Source provenance varies by record, so formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.