Daltons Atomic Theory

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birth. (Newton's speculations about atoms in the Principia were carefully copied by hand into Dalton's notebooks.)
Atoms of an element cannot be created, destroyed, broken into smaller parts or transformed into atoms of another element. Dalton based this hypothesis on the law of conservation of mass and on centuries of experimental evidence.
Some of the details of Dalton's original atomic theory are now known to be incorrect. But the core concepts of the theory (that chemical reactions can be explained by the union and separation of atoms, and that these atoms have characteristic properties) are foundations of modern physical science.
Most of Dalton�s ideas have changed in the scientific world by: 1. Many of his conclusions were concluded to be incorrect or false. 2. They were used them to explain some of the happenings of the universe and the world surrounding us (humans, animals etc.). 3. Some of the concepts of Dalton�s scientific findings are proven to be right. But ...

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