Describe the Development of Atomic Theory
Explain the changes as scientists have. Like Democritus Dalton proposed that atoms could not be divided into smaller parts. Atomic Theory Atomic Theory Teaching Chemistry Physics Poster DemocritusDemocritus 460 BC - Greek philosopher proposes460 BC - Greek philosopher proposes the existence of thethe. . Studying the experimental results Rutherford proposed a nuclear theory of the atom which states that atom consists of a positive core called the nucleus where most of mass of the atom is contained and electrons which move round the nucleus. DemocritusDemocritus His TheoryHis Theory. Development of Current Atomic Theory. -Atoms combine in small whole number ratios. Emission Spectrum of Hydrogen. Atoms are small particles that cannot be created divided or destroyed. Some were deflected at large angles. SC912Ñ35 Describe the function of models in science and identify the wide range of models used in science. H...