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Dalton's atomic theory

British  
/ 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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Dalton's atomic theory

C19: named after John Dalton

Example Sentences

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Here are the postulates of Dalton’s atomic theory.

From Textbooks • Feb. 14, 2019

Does the following chemical change represented by these symbols violate any of the ideas of Dalton’s atomic theory?

From Textbooks • Feb. 14, 2019

Which of the postulates of Dalton's atomic theory explains why we can calculate a theoretical yield for a chemical reaction?

From Textbooks • Feb. 14, 2019

Does the following chemical change represented by these symbols violate any of the ideas of Dalton’s atomic theory?

From Textbooks • Feb. 14, 2019

This was half a century before Dalton's atomic theory of matter was proposed.

From Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 by Anonymous