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15 Okt 1808 Jahr - John Dalton

Beschreibung:

Dalton's atomic theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. While all atoms of an element were identical, different elements had atoms of differing size and mass.

Zugefügt zum Band der Zeit:

11 Okt 2017
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Datum:

15 Okt 1808 Jahr
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~ 217 years ago