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The top documents tagged [electric charges atoms]
CHAPTER 7. Section 1 Electric Charges Atoms are made of electrons moving around a nucleus (protons and neutrons). Protons have a positive charge. Neutrons
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Chapter 3 Atomic Structure 3-1 Early Models of the Atom 3-2 Discovering Atomic Structure 3-3 Modern Atomic Theory 3-4 Changes in the Nucleus
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