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They believed they could turn basic metals into gold by adding 500bc-1720 -
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all bodies are made of atoms -
atom shapes are based on regular polygons
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Nicolaus copernicus drew this model to model the atom in the 1500s -
The atomic model of Boyle said atoms have differnt sizes and organize themselves into group -
Total mass of products and reactants are = -
Atoms cannot be broken any further and are indestructable -
John dalton figured he could used wooden balls to model the small atoms in a atom -
Gases of equal size contain the same number of molecules given that pressure and tempature are the same. -
Created periodic table by atomic weight -
They discovered how to isolate radiation. Some elements produce more radiation. -
He discovered the electron -
This model was proped by jj thompson -
All liquids are made of molecules. -
He figured out the value of an electron. -
X ray frequency on a element is related to the atomic number -
Electrons move in a specifice rotaltion around the core -
first studied radiation and found beta and alpha radiation. He also found the proton -
He figured out how to find a electrons position and the quantinization of hydrogen atoms -
This Erwin Shrodinger model showed relative positon of electron -
Discovered neutron -
He figured out that a particles positon and momentum cannot be found exactly