Dr. S. M. Condren Chapter 2 Atoms and Elements. Dr. S. M. Condren Daltons Atomic Theory Postulates proposed in 1803 know for first exam.
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Atoms, Isotopes and Ions An atom consists of a nucleusnucleus –(of protons and neutrons) electrons in space about the nucleus.electrons in space about.
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Ch. 4 Sizing up the Atom Elements are able to be subdivided into smaller and smaller particles – these are the atoms, and they still have properties.
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