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The top documents tagged [na atomic number symbol]
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The Chemistry of Life Chapter 2. Why should we study chemistry in
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V.Montgomery & R.Smith1 Dalton’s Atomic Theory (1808) 1.All matter is made of tiny indivisible particles called atoms. 2.Atoms of the same element are
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Atoms are building blocks of elements Similar atoms in each element Different from atoms of other elements Two or more different atoms bond in simple
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