Dalton's atomic theory

/ ˈdɔːltənz /

noun

1. chem the theory that matter consists of indivisible particles called atoms and that atoms of a given element are all identical and can neither be created nor destroyed. Compounds are formed by combination of atoms in simple ratios to give compound atoms (molecules). The theory was the basis of modern chemistry

Word History and Origins

Origin of Dalton's atomic theory¹

C19: named after John _Dalton