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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
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This doesn't work for six elements, however. These being: iron, manganese, nickel, cobalt, zinc and copper (jan 1, 1817 – 23h 59min, dec 31, 1817 y)
Added to timeline:
Key Scientists in the construction of the periodic timetable
By
Jamie
28 Nov 2018
0
0
352
Date:
jan 1, 1817
23h 59min, dec 31, 1817 y
~ 12 months
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