Chapter Outline 12: The Atomic Nucleus 12.1 Discovery of the Neutron 12.2 Nuclear Properties Sizes and Shapes of Nuclei Nuclear Density Intrinsic Spin Intrinsic Magnetic Moment Nuclear Magnetic Resonance 12.3 The Deuteron 12.4 Nuclear Forces 12.5 Nuclear Stability Nuclear Models 12.6 Radioactive Decay 12.7 Alpha, Beta, and Gamma Decay Alpha Decay Beta Decay Special Topic: Neutrino Detection Gamma Decay 12.8 Radioactive Nuclides Time Dating Using Lead Isotopes Radioactive Carbon Dating Special Topic: The Formation and Age of the Earth