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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jun 1865 año - John Newlands comes up with the Law of Octaves, seeing similarities between elements that differed by 7 and comparing it to octaves in music.
Añadido al timeline:
1st Nine Weeks Honor Project Chemistry
By
Ayanna
18 oct 2018
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448
fecha:
1 jun 1865 año
Ahora mismo
~ 160 years ago
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