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- 🇬🇧 Thorium
- 🇺🇦 Торій
- 🇨🇳 釷
- 🇳🇱 Thorium
- 🇫🇷 Thorium
- 🇩🇪 Thorium
- 🇮🇱 תוריום
- 🇮🇹 Torio
- 🇯🇵 トリウム
- 🇵🇹 Tório
- 🇪🇸 Torio
- 🇸🇪 Torium
- 🇷🇺 Торий
- Discoveror: Jöns Berzelius
- Place of discovery: Sweden
- Date of discovery: 1829
- Origin of name : named after "Thor", the mythological Scandinavian god of war.
Thorium was discovered by Berzelius in 1828 in a mineral given to him by the Reverend Has Morten Thrane Esmark.