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jan 1, 1869 - Elemental Model

Description:

Element model- in 1869, Dimitri Mendeleev starting arranging and group the periodic elements into a table and arranging them by atomic mass and number

Added to timeline:

Atomic Theory

Bykristina
5 Oct 2018
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0
547

Date:

jan 1, 1869
Now
~ 157 years ago

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