Question

what is atom????????????​

Answer 1

Step-by-step explanation:

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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Answer 2

a level of amateur sport, typically involving children aged between nine and eleven.