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

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Etymology

Origin of Dalton's atomic theory

C19: named after John _Dalton

Example Sentences

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

The following chemical change represented by these spheres may violate one of the ideas of Dalton’s atomic theory.

From Textbooks • Feb. 14, 2019

Here are the postulates of Dalton’s atomic theory.

From Textbooks • Feb. 14, 2019

For example, Dalton’s atomic theory was an attempt to explain the results of measurements that allowed him to calculate the relative masses of elements combined in various compounds.

From Textbooks • Feb. 14, 2019

When Dalton's atomic theory had been in existence some half century, it was noted that certain numerical relations held good between the atomic weights of elements chemically similar to one another.

From Darwin and Modern Science by Seward, A. C. (Albert Charles)