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10 Cards in this Set
- Front
- Back
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What did Nagoka do?
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(1904) he made a theory that atom is a tiny solar system
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What did Rutherford do?
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(1908) Theory that atoms were mainly only empty space and that the core is a tiny positively charged center aka the Nucleus.
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What did Bohr do?
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(1922) electrons move in specific circular orbits and electrons jump between shells by gaining or losing energy
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Who discovered that the nucleus has protons and neutrons?
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Chadwick
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What was democritus'theory?
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(400bc) first to use the worm atom to describe the smallest particle that cannot be broken down any further
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Who invented beakers, filters etc..
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Alchemy
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Boyle
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study of the behaviour of gases, especially under pressure
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who is the "father of chemistry" and developed a system for naming chemicals?
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Lavoiser
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Dalton's theory
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matter is made up of elements
first to define element as a pure substance each element is made up of atoms |
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Thomson's theory
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found the subatomic partlicles -electrons
and that atoms are neutral |
