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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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20th century scientists found why properties of elements reoccur periodically (11 St. 55 Min, 1 Jan 1900 Jahr – 14 St. 57 Min, 31 Dez 1999 Jahr)
Zugefügt zum Band der Zeit:
History of the Periodic Table
By
Sonya Callendar
26 Dez 2017
0
0
683
Datum:
11 St. 55 Min, 1 Jan 1900 Jahr
14 St. 57 Min, 31 Dez 1999 Jahr
~ 100 years
Abbildungen:
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