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he belived every object was made up little things called atoms depending on the shape of the atom the object was a certain shape.
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This law states that when elements combine they do so in a ratio of small whole numbers.
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electromagnetic theory
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As he attempted to classify the elements according to their chemical properties, he noticed patterns that led him to postulate his Periodic Table.
In other words he made the periodic table. -
intoduced the term electron "fundamental unit quantity of electricity".
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"Saturnian" model of atomic structure, which was the first to postulate a dense atomic central core.
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credited for the discovery of the electron and of isotopes, and the invention of the mass spectrometer.
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American experimental physicist, and Nobel laureate in physics for his measurement of the charge on the electron and for his work on the photoelectric effect.
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His main contributions to science were the quantitative justification of the previously empirical concept of atomic number, and Moseley's law. This law advanced chemistry by immediately sorting the elements of the periodic table in a more logical order.
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He discovered that atoms have their positive charge concentrated in a very small nucleus,[2] and thereby pioneered the Rutherford model, or planetary, model of the atom, through his discovery and interpretation of Rutherford scattering in his gold foil experiment.
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who made fundamental contributions to understanding atomic structure and quantum mechanics, for which he received the Nobel Prize in Physics in 1922.
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discovered of the neutron
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was an Austrian theoretical physicist who achieved fame for his contributions to quantum mechanics, especially the Schrödinger equation, for which he received the Nobel Prize in 1933.
