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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 ene 1869 año - 1869 Dmitri Mendeleev Mendeleev developed the periodic table of the elements.
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SCH4U U2A1A1 History of the atom
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Senpai
12 jul 2018
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fecha:
1 ene 1869 año
Ahora mismo
~ 156 years ago
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