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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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28 abr 1904 año - 1904 Richard Abegg found that inert gases have a “stable electron configuration.”
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Kushaj DWIVEDI [08N02M]
28 nov 2018
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fecha:
28 abr 1904 año
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~ 121 years ago
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