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In 1789, Antoine-Laurent de Lavoisier wrote the Elementary Treatise of Chemistry. Scientists used this definition until subatomic particles were discovered.

He defined an element as something that cannot be broken into smaller parts by a chemical reaction. Robert Boyle developed the definition of an element around 1650 that was used for 300 years. Below are some of the people whose work contributed to the formation of the periodic table. Scientists continue to find elements and learn about them today. This led to the discovery of new elements. At this time, people began conducting chemical experiments. The work that led to the periodic table began during the Age of Enlightenment.

The study of the elements goes back to ancient times.