1 ene 1852 año - Henri Becquerel
Descripción:
Becquerel's main contribution to the atomic theory was his discovery of radioactivity. His discovery allowed later scientists to show how the atom wasn't just a solid sphere, which was a big step in the development of the theory and model.Añadido al timeline:
fecha:
1 ene 1852 año
Ahora mismo
~ 172 years ago
