氡
Radon Rn · 86
gas · period 6, group 18 · p-block
Anatomy
Transliteration. The phonetic half approximates the international name. Radon
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 氡, traditional 氡.
- 1945 氡 dōng 化學命名原則（修訂） Principles of Chemical Nomenclature, revised, Ministry of Education, Republic of China replaced an earlier term
Homophones
No other element shares this syllable.
Elsewhere
Japanese ラドン Korean 라돈 Vietnamese radon
Western name from Latin via German and English radium. Compare all
Unicode
U+6C21 in CJK Unified Ideographs