Atomic Theory!

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Last updated 9:46 PM on 10/26/21
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8 Terms

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John Dalton
Was an English scientist. He is often referred to as the father of atomic theory.
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The Law of Conservation of Mass
Atoms are rearranged during a chemical reaction, but are not lost.
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The Law of Multiple Proportions
Compounds are formed when atoms from two or more elements combine.
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J.J Thomson
Was an English physicist who is credited with the discovery of the electron and proposed the "plum pudding" model of the atom.
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Ernest Rutherford
Was a British physicist. He took Thomson's idea a step further by using radioactive particles.
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Nucleus
A positively charged central core of an atom; contains nearly all of its mass.
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Robert Andrews Millikan
Was an American physicist who received the Nobel Prize in Physics in 1923 for his work on the measurement of the elementary electric charge.
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James Chadwick
Was a British physicist who discovered the neutron in 1932.