July 10, 2020
For educational institutions
The atomic theory
⟶ Updated 8 Nov 2017 ⟶
List of edits
Jhon Dalton Suggested the idea of electrons
ARISTOTLE He stated that everything was made from 4 basic elements
DEMOCRITUS He stated that everything was of indivisble particles
JHON WOLFGANG JHON NEWLANDS DIMITRI MENDELEEV HENRY MOSELEY Worked in the creation adn organization of the periodic table
In that same year in mexico, the war of "reforma" had begun.
HENRI BECQUEREL Exposed the idea of empty space in an atom
Porfiro diaz presidency started wich then turned into an unoffical dictatorship
J.J. THOMSON Proved the existance of empty space on the atom
MARIE & PIERRE CURIE Discovered two new elements and the term radioactive
ERNEST RUTHERFORD Experimented with beta rays in gold foil and discovered that atoms weren't all piled up together
One year after, the Mexican revolution started.
NIELS BOHR MAX PLANCK ALBERT EINSTEIN Suggested that the atom had several energy levels
In this same year in mexico, the revolution ended.
HEISSENBERG explained that it was impossible to know the e xact position of the atom
HEISSENBERG explained that it was impossible to know the e xact position of the atom (copy)
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