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What is the black hand a group? gang?
asked
Jan 6, 2016
History
high-school
1
answer
3
votes
216k
views
If atoms are made up of smaller particles, such as protons, neutrons, and electrons, then why are atoms considered the smallest particles of an element?
asked
Sep 25, 2015
Physics
middle-school
1
answer
5
votes
133k
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