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September 30, 2021
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15 oct 1897 año - 1897- J.J Thomson

Descripción:

J.J Thomson discovered the negative electrons. J.J Thomson's model is called Plum pudding. the atom is composed of electrons surrounded by a soup of positive charge to balance the electrons' negative charges, like negatively charged “plums” surrounded by positively charged “pudding”. John Dalton present that all matter is made of small things called atoms and J.J Thomson present that atoms were made up of different charged partiles

Añadido al timeline:

9 nov 2017
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209
Atomic Model Timeline
by Ketia Viel

fecha:

15 oct 1897 año
Ahora mismo
~ 124 years ago

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