Permanent historical factsheet

Early Element Triads

Germany · Science / Chemistry. Chronological records rendered directly from the World History Database.

1Records
1817Date range
1Named people
1Places

Chronological records

1817

Johann Wolfgang Dobereiner1817

Jena · Science / Chemistry

Identifies groups of three chemically similar elements whose atomic weights show numerical relationships, providing an early indication of periodic behaviour.

Names involved

Johann Wolfgang Dobereiner

Provenance

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by record, so formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.