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First person to investigate basic principles.
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1st atomic theory, cutting the cheese until couldnt anymore
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the four elements: fire, earth, water, air
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Matter is formed of solid, massy particles
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- All matter is made up of timy particles called atoms
- All atoms of a given element are alike, but are different from the atoms of any other element.
- Compunds are formed when atoms of different elements
- A chemical reaction involves a rearrangement of atoms, not a change in the atoms themselves
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Radioactivity, figured out things could be radioactive
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discovered electrons and plum pudding model
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Had the primitive hydrogen model
Had the theory on electrons -
Founder of the isotope
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Found the probability an electron would be in a certain position (where they would be located)
The Quantum Mechanical Model of the Atom -
Oil Drip Machine
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a beam of alpha particle shot at a sheet of gold
created with nucleas and proton