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atom images #1 from : https://dszgqm4n1rmsp.cloudfront.net/content/chem1/03/planets.jpg
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atom images #2 from : https://nails.newsela.com/s3/newsela-media/article_media/2017/04/elem-sci-atoms-19f69d57.jpg?crop=0%2C422%2C1920%2C1502&height=497&width=885
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atom [ˈætəm]
1 atom noun
  • the smallest particle of a substance that can exist by itself or be combined with other atoms to form a molecule
  • a very small amount of something
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