<p><i><b>Key features:</b></i></p><p>-Written in a self-explanatory language</p><p>-Altogether informative and educational for beginners</p><p>-Covers circumstantially the following topics:</p><p> Structure of atom</p><p> <b> eletron</b></p><p><b> proton</b></p><p><b> neutron</b></p><p><b> quark</b></p>
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