Question

Scientist who developed atomic theory

Answer 1

Answer:

JOHN DALTON (1774-1844)

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Answer 2

Atomic theory has evolved since ancient times. Scientists have taken the hypothesis of Greek scholars and have built on it with their different discoveries and theories regarding the atom, which derives from the Greek word "atomos," meaning indivisible.

*Leucippus and Democritus* were the first to propose, in the fifth century B.C., that all matter is made of tiny units called atoms.

In 1808, English chemist John Dalton further built on the Greek notion of atoms. He postulated that matter is made of atoms, which are small indivisible particles. He also proposed that while all atoms of one element are identical, they are totally different from those that make up other elements.