CHEMICAL BONDING
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This well-organized explanation progresses from simple to more complex through four programs. A look at metals begins with what students know about metals from daily life, zooms in to the level of atoms, and discusses atomic structure in terms of protons, neutrons, and electrons in shells—and how atomic structure determines a substance’s properties. Subsequent programs develop understanding of polar and nonpolar molecules, dispersion forces and dipole-dipole bonding, cations and anions, lattice formation, and covalent bonding (including double and triple bonds). Superb animated diagrams support clear narration. Grades 9–12. Color. Total time: 76 minutes. Video Education Australasia. ©1997.
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