Atoms are made up of fundamental particles: electrons, protons and neutrons.
Atomic structure |
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Although Dalton's theory of the existence of atoms was published in 1808 there was no clear idea of what an atom might look like until the early part of the twentieth century. With the advent of electricity and phenomenon of spectrum, experimentation underwent a change and a flurry of research in the structure of matter has put forth the modern concept of the structure of atom.
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