โ–ธโ–ธ
  • ๐Ÿ‡ฌ๐Ÿ‡ง Radon
  • ๐Ÿ‡บ๐Ÿ‡ฆ ะ ะฐะดะพะฝ
  • ๐Ÿ‡จ๐Ÿ‡ณ ๆฐก
  • ๐Ÿ‡ณ๐Ÿ‡ฑ Radon
  • ๐Ÿ‡ซ๐Ÿ‡ท Radon
  • ๐Ÿ‡ฉ๐Ÿ‡ช Radon
  • ๐Ÿ‡ฎ๐Ÿ‡ฑ ืจื“ื•ืŸ
  • ๐Ÿ‡ฎ๐Ÿ‡น Radon (emanio)
  • ๐Ÿ‡ฏ๐Ÿ‡ต ใƒฉใƒ‰ใƒณ
  • ๐Ÿ‡ต๐Ÿ‡น Radão
  • ๐Ÿ‡ช๐Ÿ‡ธ Radón
  • ๐Ÿ‡ธ๐Ÿ‡ช Radon
  • ๐Ÿ‡ท๐Ÿ‡บ ะ ะฐะดะพะฝ
  • Discoveror: Friedrich Ernst Dorn
  • Place of discovery: Germany
  • Date of discovery: 1900
  • Origin of name : named after "the element radium" (radon was called niton at first, from the Latin word "nitens" meaning "shining".

Radon was discovered in 1900 by Friedrich Ernst Dorn, who called it niton. It is essentially inert. It has been called radon since 1923, before which it was called niton.