The noble gases include helium, neon, argon, krypton, radon and xenon. Identify the time period when most of the noble gases were discovered.
Question
The noble gases include helium, neon, argon, krypton, radon and xenon. Identify the time period when most of the noble gases were discovered.
Solution
Most of the noble gases were discovered during the late 19th century. Specifically, helium was discovered in 1868, neon, argon, krypton and xenon were discovered in 1898, and radon was discovered later in 1900.
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