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The top documents tagged [atoms of boron]
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Atomic Mass Notes 5 Chapter 17-2. Atomic Mass The nucleus contains most of the mass of the atom… why? The mass of a proton is about the same as that
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Chapter 18 Lesson 2 Masses of Atoms. The nucleus contains most of the mass of the atom because protons and neutrons are far more massive than electrons
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Atomic Structure Distinguishing Among Atoms Prentice-Hall Chapter 4.3 Dr. Yager
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