Teacher resources and professional development across the curriculum

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Unit 4: Organizing Atoms and Electrons—The Periodic Table

Visuals (listed by section)

The Periodic Table (Section 1)

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Molybdenite (Section 1)

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Mendeleev's Table (Section 2)

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Dmitri Mendeleev Created the Periodic Table That We Still Use Today (Section 2)

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Metals Can Have a Wide Range of Densities (Section 3)

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Representative Box from the Periodic Table (Section 3)

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Divining Nature: An Elemental Garden (Section 3)

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Schematic of Mass Spectrometry (Section 4)

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Shapes of Individual Orbitals (Section 5)

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The Energy Level Diagram for an Atom (Section 5)

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Hund's Rule (Section 6)

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Orbital Blocks on the Periodic Table (Section 6)

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Effective Nuclear Charge (Section 7)

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The Trend in Atomic Radii (Section 7)

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Chernobyl Plant (Section 8)

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The Trend in Ionization Energy (Section 8)

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Models of Sodium and Magnesium (Section 8)

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Ionic Radius—Anion (left) and Cation (right) (Section 8)

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The Charges of the Eight Main Group Families (Section 9)

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The Trend in Electronegativity (Section 10)

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A Polar Covalent Bond (Section 10)

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Patterns and Trends in the Periodic Table (animation)

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The Reactivity of Alkali Metals Explained (animation)

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Moseley and the Periodic Table (animation)

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