Dalton's atomic theory

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• Dalton's atomic theory — noun the theory that matter is composed of indivisible particles called atoms; the atoms of any particular element being identical in all respects, but differing from those of other elements in their mass. Compounds are formed by the combination… …  

• atomic theory — /əˌtɒmɪk ˈθɪəri/ (say uh.tomik thearree) noun 1. Physics, Chemistry the theory of the atom having a complex internal structure and electrical properties. 2. Physics the mathematical description of the behaviour of the electrons in the atom about… …  

• Atomic theory — Atomic model redirects here. For the unrelated term in mathematical logic, see Atomic model (mathematical logic). This article is about the historical models of the atom. For a history of the study of how atoms combine to form molecules, see… …   Wikipedia

• atomic theory — 1. Physics, Chem. any of several theories describing the structure, behavior, and other properties of the atom and its component parts. 2. Philos. atomism (def. 1). [1840 50] * * * ▪ physics       ancient philosophical speculation that all things …   Universalium

• Dalton [2] — Dalton (spr. daolt n), 1) John, Chemiker und Physiker, geb. 5. Sept. 1766 zu Eaglesfield in Cumberland, gest. 27. April 1844 in Manchester, war seit 1781 Hilfslehrer zu Kendal in Westmoreland und widmete sich hier mathematischen und… …   Meyers Großes Konversations-Lexikon

• Dalton, John — born Sept. 5 or 6, 1766, Eaglesfield, Cumberland, Eng. died July 27, 1844, Manchester British chemist and physicist. He spent most of his life in private teaching and research. His work on gases led him to state Dalton s law (see gas laws). He… …   Universalium

• dalton — n. [from the chemist John Dalton, proponent of the modern atomic theory of matter.] a unit of mass, approximately 1.66 x 10^{ 24} grams; it is approximately equal to the mass of one hydrogen atom, but the exact value differs slightly as used in… …   The Collaborative International Dictionary of English

• Dalton Transactions —   Former name(s) Journal of the C …   Wikipedia

• Dalton Township, Ontario — Dalton Township within former Victoria County The Township of Dalton was a municipality located in the northwest corner of the former Victoria County, now the city of Kawartha Lakes, in the Canadian province of Ontario. It was named after Dr.… …   Wikipedia

• Dalton's law — n LAW OF PARTIAL PRESSURES * * * Dal·ton s law (dawlґtənz) [John Dalton, English chemist and physicist, 1766–1844, the founder of the atomic theory] see under law …   Medical dictionary

• Dalton , John — (1766–1844) British chemist and physicist The son of hand loom weaver from Eaglesfield in the northwestern English county of Cumbria, Dalton was born into the nonconformist tradition of the region and remained a Quaker all his life. He was… …   Scientists