What Is Atom Define
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An atom is a particle of matter that uniquely defines achemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. Each electron is negatively charged. The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons
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Atom are the smallest unit of matter.Each atoms has protons and neutrons in its nucleus,one or more electrons orbit the nucleus.
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