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AtomicTheoryScientistsandTheirContributionsTable.docx

Atomic Theory Scientists and Their Contributions

Scientist (date)

Contribution(s)

Empedocles

(492 BCE and 432 BCE)

All matter is composed of four elements: fire, air, water, and earth. The ratio of these four elements determines the properties of the matter

Democritus

(460 BCE - 370 BCE)

Matter can be cut into its constituent parts, these parts still possess all the properties of the original matter. He named this “atomos”.