AP Chemistry: Periodic Trends

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2.39 MB   |   45 pages

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This product is a general introduction to the three main periodic trends in the new curriculum: ionization energy, atomic radius, and electron affinity. This is the second part of my series of lessons on periodic trends (part one is: Coulomb's Law & Ionization Energy. The first part of the lesson introduces general periodic trends (ionization energy, atomic radius and electron affinity). The second part of the lesson, meant to come after an introduction to photoelectron spectroscopy, electron configuration and orbital diagrams, explores the reasoning for exceptions to the general trends.

This lesson emphasizes the interconnectedness of these periodic trends, and encourages students to explain and justify their understanding using Coulomb's Law. This download includes a powerpoint lesson, guided notes and a worksheet.

This product is designed to help students prepare for the following learning objectives/science practices:
Learning Objective 1.5: The student is able to explain the distribution of electrons in an atom or ion based upon data.
Learning Objective 1.6: The student is able to analyze data relating to electron energies for patterns and relationships.
Learning Objective 1.7: The student is able to describe the electronic structure of the atom, using PES data, ionization energy data, and/or Coulomb’s Law to construct explanations of how the energies of electrons within shells in atoms vary.
Learning Objective 1.8: The student is able to explain the distribution of electrons using Coulomb’s Law to analyze measured energies.
Learning Objective 1.9: The student is able to predict and/or justify trends in atomic properties based on location on the periodic table and/or the shell model.
Learning Objective 1.10: Students can justify with evidence the arrangement of the periodic table and can apply periodic properties to chemical reactivity.
Science Practice 5.1: The student can analyze data to identify patterns or relationships.

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This is a great follow-up to my lesson on Coulomb's Law & Ionization Energy.

My orbital diagram lesson is helpful to explain exceptions to the general periodic trends. This lesson is included in my Photoelectron Spectroscopy & Electron Configuration lesson.

While designed specifically for AP Chemistry, this product is also useful for any level of chemistry that studies periodic trends (honors, IB, college).
Total Pages
45
Answer Key
Included
Teaching Duration
1 hour

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AP Chemistry: Periodic Trends
AP Chemistry: Periodic Trends
AP Chemistry: Periodic Trends
AP Chemistry: Periodic Trends