Adapted from an image by Osti, Heinrich, 1826-1914 (public domain), via Wikimedia Commons.
1840–1905
Per Teodor Cleve
Discovered three elements between 1878 and 1895.
Elements
- 187867HoHolmium
- 187969TmThulium
- 18952HeHelium
Keep exploring
Where the dates and stories on this page come from; each event on the timeline links to its own source.
- Per Teodor CleveEncyclopaedia Britannica
- HolmiumRoyal Society of Chemistry
- ThuliumRoyal Society of Chemistry
- HeliumRoyal Society of Chemistry
- Per Teodor CleveWikipedia