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The top documents tagged [shape mass]
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A Little Periodic Table History… History of the Periodic Table Dmitri Mendeleev, a Russian scientist born in Siberia in 1834, is known as the father
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History of the Atom Model 450 BC Democritus (Greek)- World was made of 2 things: 1.Empty space 2.Tiny particles call atoms (Atomus= indivisible) Aristotle
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