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jan 5, 1904 - Richard Abegg found that inert gases have a “stable electron configuration.”

Description:

SEC is a chemically stable configuration. For example, helium, neon and argon are exceptionally stable and unreactive monoatomic gases.

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BySaisriram Sanjai

15 May 2018

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jan 5, 1904

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~ 122 years ago

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