week 1 Flashcards
Discovered the idea about the positively charged particle called “PROTON”
Eugen Goldstein
He is a Greek philosopher who began to search for a description of matter.
Democritus
(English Chemist) performed a number of experiments that eventually led to the acceptance of the idea of atoms.
John Dalton
an English Scientist, provided the first hint that an atom is made of even smaller particles.
J.j. Thomson
Introduced the idea about the negatively charged particle called “electron
j.j. Thomson
He proposed a model of the atom that is sometimes called “Plum Pudding” Mode
j.j. thomson
an English Physicist, was hand at work on an experiment.
Ernest Rutherford
Danish Scientist, proposed an improvement.
Niels Bohr
brilliant German Physicist, modified Niels Bohr’s atomic theory to include elliptical orbits.
arnold sommerfeld
a Physicist and a Biologist, was considered the Father of Quantum Mechanics.
Today’s atomic model is based on the principles of wa
erwin Schrodinger
Proposed that the electron (which is thought of as a particle) could also be thought of as a wave
Louie de Broglie
Discovered that for a very small particle like the electron, its location cannot be exactly known and how it is moving. This is called UNCERTAINTY PRINCIPE
Werner Karl Heisenberg
you can’t locate the exact position of an electron at any given time (too small, too fast)
uncertainty principle
