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400
Aristole
Aristole basically created formal logic and wass besst know as a philopsopher ('Dream Moods') -
Dec 31, 1000
Democritus- uncuttable atom
Democritus Year 1- He belived that atoms existed in diffrent shapes and motions which created everything that one sees in the univerese -
Willam Harvey
First person to fully describe how blood was pumed throuhgout your body. -
John Dalton
Taking and incresing Democritus' idea that atoms could not be split Dalton created the new atomic theory. Dalton said that all matter is made of small and indvinsible parts that they are not capble of being destroyed and they can not be changed. -
Joseph J. Thomson ( Plum Pudding Model) m.
J.J. Thomson discovered the electron and won a Noble Prize -
Max Planck
He was the founder of the quantum theory -
Robert Millikan
HE descovered cheifly in the feilds of electricity ,opitics ,and molecular physics -
Henry Mosely
he developed the application of x-ray spectra to study atomic structure -
Ernest Rutherford (Rutherford Modle)
Rutherford was the first to establish the theory of the nuclear atom and to carry out a transmutation reaction (1919) (formation of hydrogen and and oxygen isotope by bombardment of nitrogen with alpha particles). -
Neils Bohr (Bohr Model)
Neil Bohr won the Noble Prize for physics for his services in the investigation of the structure of atoms and the radiation emenating from them -
Electron Cloud Model ( Current)
Erwin Schrodinger developed mathemathical equations to describe the mothion of electrons. This model is a visual model of probale locations of electrons in an atom.