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Solid Sphere Model
John Dalton used experimental evidence to for the atomic theory of matter. It stated that all elements are composed of Atoms and it is impossible to destroy or divide an atom. -
Plum Pudding Model
J.J Thomson devised this model not long after the discovery of the electron but before the atomnic nucleus. This model shows that the atom is composed of electrons, "raisins", surrounded by positively charged "pudding" to balance the negative charge of the electrons. -
The Nuclear Model
This model was devized by Ernest Rutherford. He discovered that the Plum Pudding Model was incorrect. This new model contained the new features of a relatively high central charge concentrated into small volume. -
The Bohr (Planetary) Model
This model was introduced by Niels Bohr. It depicts the atom as a small and positively charged nucleus surrounded by electrons that move in circular orbits around the nucleus. -
Quantum Mechanics Model
This model was discovered by Erwin Schrodiger. This model took the Bohr Model one step further. He used mathematical equationsto describe te liklihood of finding an electron in a certain position. -
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