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6 dic 1826 año - 1766-1844 John Dalton
Descripción:
Atomic theory--
1. All is made of atoms
2. Atoms in a given element are identical
3. Atoms combine in whole # ratios
4. Atoms aren't created or destroyed
Añadido al timeline:
1 may 2018
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fecha:
6 dic 1826 año
Ahora mismo
~ 197 years ago