John Dalton and His Atomic Theory

John Dalton and His Atomic Theory

        John Dalton was a British chemist who find the first helpful nuclear possibility of matter. John Dalton spy this theory in the year 1803 (Cain, 2001). John Daltons atomic theory states every matter is made up of atoms which ar long-wearing and unchangeable, elements ar characterized by the mass of their atoms, compounds are formed by a combination of two or more antithetical kinds of atoms, and atoms are not created, destroyed or converted into new(prenominal) kinds of atoms during chemical reactions. Many of Daltons ideas were acquired from other chemists at the time such as Lavoisier and Higgins However, Dalton was the first to put the ideas into a universal righteousness of atomic theory, undoubtedly his greatest achievement (Wikipedia, 2004).

        According to Daltons atomic theory all matter is made up of atoms which are indestructible and unchangeable. In other words, atoms can not be broken into smaller pieces, created, destroyed, or transformed into atoms of other element. Also, elements are characterized by the mass of their atoms. Meaning all atoms of the same element has identical weights. Atoms of incompatible elements have different weights.

        Another rumor Dalton makes in his theory is that compounds are formed by a combination of two or more different kinds of atoms (The chemical Heritage Foundation, 2000).



This suggests a practical strategy for determining sexual intercourse atomic weights from elemental percentages in compounds. Experimental atomic weights could thence be used to explain the fixed percentages of elements in all compounds of those elements!

        Daltons last postulate in his atomic theory is atoms of different elements have different properties. In an ordinary chemical reaction, no atom of any element disappears or is changed into an atom of another element. An example of this postulate would be; all atoms of the...

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