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18h 14min, apr 20, 1865 y - Law of Octaves

Description:

Newland makes his law of octaves. He arranged them in ascending atomic masses and realised that a pattern reoccured every 8 elements, hence the law of octaves.
He then predicted some more periodic trends.

Added to timeline:

Development of Periodic Table

ByKarl Stücker
26 Nov 2018
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Date:

18h 14min, apr 20, 1865 y
Now
~ 160 years ago
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