1 ene 1853 año - Evidence Arises
Descripción:
Approximately fifty years after John Dalton's proposal of the atom, evidence began to accumulate which suggested that the atom might not be the solid sphere that Dalton had envisioned. This evidence came in the form of the discovery of electrically charged particles and radioactive materials. Based on these new discoveries, Dalton's proposal of a solid, indestructible atom became unacceptable.
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fecha:
1 ene 1853 año
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~ 172 years ago