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The top documents tagged [atoms mass electrons]
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4.2 THE STRUCTURE OF AN ATOM. Atomic Structure Atoms are composed of 2 regions: Nucleus: center of atom that contains mass of atom Electron cloud: region
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2 | 1 Chapter 2 Atoms, Molecules, and Ions. 2 | 2 Postulates of Dalton’s Atomic Theory All matter is composed of indivisible atoms. An atom is an extremely
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