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

Описание:

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 мая 2018

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5 янв 1904 г.

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