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प्रश्न
Following Dalton's theory, scientist were curious to know the answer of the question:
What are atoms made up of?
दीर्घउत्तर
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उत्तर
Atoms are made up of three subatomic particles: electrons, protons and neutrons. Electrons are negatively charged and move around the nucleus. Protons are positively charged and are present in the nucleus along with neutrons, which have no charge. J. J. Thomson discovered electrons, Rutherford discovered protons, and Chadwick discovered neutrons. Protons and neutrons together make up the nucleus, which holds most of the mass of an atom.
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