Who was the first scientist to use the term 'element'?
Robert Boyle
Robert Boyle, in his book The Sceptical Chymist (1661), was the first to use the term element in its scientific sense, describing it as a substance that cannot be broken down into simpler substances.
Antoine Lavoisier later gave the first experimentally based definition and list of elements, John Dalton proposed the atomic theory, and J.J. Thomson discovered the electron.
Hence, the answer is Robert Boyle.
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