Question

what is atom??


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Answer 1

Answer:

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. ... The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons.

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Answer 2

Atoms are defined as the building block of matter. It consists of positively charged nucleus with protons and neutrons and electrons surrounding it. These are its 3 constituent particles i.e electrons ( negatively charged ) and protons and neutrons ( positively charged).