Question

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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.

$\: yay \: kiya \: likha \: hai \: xd$

Answer 2

https://fitindia.gov.in/freedom-run-2.0