'Modern cloud model' presentation slideshows

Modern Theories of the Atom

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Atoms and the periodic table

Atoms and the periodic table. How did atomic theory develop?. The idea of the atom dates back to 430BC. The atom is defined as the smallest particle that can be considered an element An Englishman, John Dalton, described the atom as an invisible particle that makes up an element.

181 views • 8 slides