Lavoisier’s Elements | Chemistry: A Volatile History
Lavoisier was the first scientist to define what an element was.
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Plutonium | Chemistry: A Volatile History
Invented in 1940, scientists quickly realised plutonium was capable of undergoing nuclear fission.
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Alpha particles | Chemistry: A Volatile History
Rutherford stated the fact that most alpha particles go straight through foil is evidence for the atom being mostly empty space.