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Which noble gases did William Ramsay and his coworkers discover in 1898?
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noble gas
A road in Tokyo lined with neon signs.
In 1898, Sir William Ramsay and his coworker, the British chemist Morris W. Travers, discovered three noble gases: neon, krypton, and xenon.12
They successfully isolated these elements by performing fractional distillation on air that had been brought to a liquid state under conditions of low temperature and high pressure.12