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Whose discovery made argon the first noble gas identified on Earth?
Quick Answer
Lord Rayleigh’s and William Ramsay’s. They discovered argon in 1894 as an unusual component of air.
The Full Story
Lord Rayleigh noticed that nitrogen from air was slightly denser than nitrogen prepared from chemical compounds. Working with William Ramsay, he found that the difference came from a previously unknown inert gas, argon, in the atmosphere. Argon’s discovery showed that the periodic table still had a missing family of elements. It also demonstrated the value of precise measurements in chemistry.
Key Facts
1.1894: argon was discovered
2.Argon makes up about 0.93% of Earth’s atmosphere
3.It is chemically very inert
YouTube Angle
Suggested video title for this topic:
"The tiny atmospheric clue that revealed a whole new element"
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