15 Mai 1803 Jahr - John Dalton - Atomic Theory (1803)

Beschreibung:

Dalton proposed his own atomic theory which came to be the foundation to many other chemical theories:
1) All matter is made out of indestructible, indivisible particles called atoms
2) All atoms of an element are identical
3) Atoms of different elements have different sizes and masses
4) Compounds are formed by multiple atoms of different elements
5) Chemical reactions are the result of the rearrangement of atoms

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