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Lord Rayleigh discovers Noble Gas, Argon (18h 54min, jan 1, 1895 y – 20h 44min, dec 31, 1895 y)
Added to timeline:
History of the Periodic Table
By
Sonya Callendar
26 Dec 2017
0
0
719
Date:
18h 54min, jan 1, 1895 y
20h 44min, dec 31, 1895 y
~ 12 months
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