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D0a6yundbuliam
D0a6yundbuliam D0a6yundbuliam
  • 06-10-2016
  • Chemistry
Answered

How was helium first discovered?

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confuzd0user
confuzd0user confuzd0user
  • 18-07-2018

Using spectral analysis of the Sun's emission spectra.

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eurydike eurydike
  • 05-05-2019

Answer:

Explanation:

It was the French astronomer Jules Janssen who discovered the helium. He observed that during the solar eclipse a bright yellow line is observed when the eclipse is viewed through a prism. Later on Norman Lockyer verified that the yellow lining was due to the helium gas and in 1907, Ernest Rutherford and Thomas Royds  proved that an alpha particle is actually helium gas.

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