what is meant by atom
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Explanation:
The atom is the smallest object that retains the properties of an element. Atoms are composed of electrons and a nucleus. The nucleus contains protons and neutrons. All atoms are electrically neutral, because every atom has an equal number of electrons and protons......
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Atom is the smallest basic unit of natter which is indivisible. It consists of a dense heavy nucleus at the centre which contains protons and neutrons. Nucleus is surrounded by electrons revolving around it. Electrons are negatively charged particles, protons are positively charged particles and neutrons are neutral particles.
Thus the overall charge is balanced
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