Adapted from an image (public domain), via Wikimedia Commons.
1842–1919
John William Strutt
Announced argon in 1894.
Element
18ArArgon
1894
Lord Rayleigh found that nitrogen taken from air was slightly denser than nitrogen made from ammonia. With William Ramsay he removed every known gas from air and was left with an unreactive one in 1894, named argon from the Greek for lazy.
Keep exploring
Where the dates and stories on this page come from; each event on the timeline links to its own source.
- John William StruttEncyclopaedia Britannica
- ArgonRoyal Society of Chemistry
- John William StruttWikipedia