• Thumbnail for Carl Axel Arrhenius
    Carl Axel Arrhenius (29 March 1757 – 20 November 1824) was a Swedish military officer, amateur geologist, and chemist. He is best known for his discovery...
    12 KB (1,123 words) - 22:40, 16 July 2024
  • Arrhenius may refer to: Birgit Arrhenius (born 1932), Swedish archaeologist Carl Axel Arrhenius (1757–1824), Swedish army lieutenant and amateur mineralogist...
    979 bytes (140 words) - 21:56, 4 October 2023
  • Thumbnail for Yttrium
    after ytterbite, a mineral first identified in 1787 by the chemist Carl Axel Arrhenius. He named the mineral after the village of Ytterby, in Sweden, where...
    58 KB (6,666 words) - 08:13, 6 August 2024
  • Thumbnail for Ytterby
    greenstone". The mine's elemental history began in 1787, when Lieutenant Carl Axel Arrhenius found an unidentified black mineral. He had previously explored the...
    9 KB (902 words) - 03:13, 1 September 2024
  • Thumbnail for Rare-earth element
    Lieutenant Carl Axel Arrhenius in 1787 at a quarry in the village of Ytterby, Sweden and termed "rare" because it had never yet been seen. Arrhenius's "ytterbite"...
    156 KB (16,786 words) - 00:07, 30 August 2024
  • Thumbnail for Johan Gadolin
    found in a quarry in a Swedish village Ytterby near Stockholm by Carl Axel Arrhenius. By careful experiments, Gadolin determined that approximately 38%...
    18 KB (1,704 words) - 16:01, 3 July 2024
  • Cetti, Italian priest, zoologist, and mathematician (b. 1726) 1824 – Carl Axel Arrhenius, Swedish chemist (b. 1757) 1856 – Farkas Bolyai, Romanian-Hungarian...
    71 KB (7,298 words) - 22:49, 18 July 2024
  • Thumbnail for Group 3 element
    universally associated in nature. In 1787, Swedish part-time chemist Carl Axel Arrhenius found a heavy black rock near the Swedish village of Ytterby, Sweden...
    53 KB (5,866 words) - 12:21, 1 July 2024
  • isotope, 89Y, is also its only naturally occurring isotope. In 1787, Carl Axel Arrhenius found a new mineral near Ytterby in Sweden and named it ytterbite...
    42 KB (4,989 words) - 03:33, 15 April 2024
  • the Queen. 16 March - Bengt Lidner, poet (died 1793) 29 March - Carl Axel Arrhenius, chemist (died 1824) 30 March - Sophie Piper, courtier (died 1816)...
    2 KB (149 words) - 22:27, 8 October 2023