Thorium Th · 90
solid metal · period 7 · f-block· actinide
Anatomy
Transliteration. The phonetic half approximates the international name. Thorium
History of the character
Every form found in the sources, from the first missionary chemistry books of the 1850s to the current standards. Hover a dot for the source. Simplified 钍, traditional 釷.
- 1905 釷 tǔ 化學新教科書 Huàxué Xīn Jiàokēshū, Dù Yàquán (杜亞泉), Commercial Press
Homophones
No other element shares this syllable.
Elsewhere
Japanese トリウム Korean 토륨 Vietnamese thori
Western name from Old Norse Þōrr (Thor), “thunder”. Compare all
Unicode
U+948D in CJK Unified Ideographs