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1 Jan 1808 Jahr - John Dalton 1. Atoms are tiny, invisible particles. 2. Atoms of one element are all the same. 3. Atoms of different elements are different. 4. Compounds form by combining atoms.

Zugefügt zum Band der Zeit:

12 Jan 2018

Datum:

1 Jan 1808 Jahr
Jetzt
~ 216 years ago

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