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Dalton: Solid Sphere Model
John Dalton's solid sphere model was also known as the Billard Ball Model. The English chemist used experiments to come up with the atomic theory of matter. 1803-1805 -
Thomson: The Plum Pudding Model
JJ Thomson created the Plum Pudding Model. Atoms were made from a positively charged substance with negatively charged electrons scattered about. The looked like raisins in pudding, so he called it The Plum Pudding Model.1897-1903 -
Rutherford: The Nuclear Model
1912 Rutherford's Nuclear Model- the nucleus is very small, dense, and positively charged. Electrons surround the nucleus and most of the atom is empty space. -
Borh: The Borh (Planetary) Model
The Bohr Model is a planetary model in which the negatively-charged electrons orbit a small, positively-charged nucleus similar to the planets orbiting the Sun. -
Erwin Schrodinger: Quantum Mechanics Model
Schrödinger used mathematical equations to describe the likelihood of finding an electron in a certain position. Electrons are found in an electron cloud or orbital. -
Today's Date By Kaylee Mosteller