Investigating Elements & Trends
Periodic Table Unit
Jigsaw Assignment. Each student researches certain information about their element (filling out a template of information for their element). Then, students form a group with students who have elements in the same period and fill out a period questionnaire. Finally, students form a group with students who have elements in the same group and fill out a group questionnaire. Different versions are provided to easily tailor the assignments to your school's content teaching expectations.
Students will be able to…
• Research basic information about their element.
• Form a small group with students who have elements in the same period and investigate properties of the elements.
• Form a small group with students who have elements in the same group and investigate properties of the elements.
- The objective of this assignment is to help students recognize through guided discovery that elements in groups have similar properties and elements in periods have different properties. Students will also (depending on the version you choose) investigate through guided discovery the atomic radius, ionization energy, electron affinity, and electronegativity trends.
- This assignment can be used after teaching about trends (atomic radius, ionization energy…etc.) or as an introduction to teaching about trends.
Required Prior Knowledge:
• Students should have prior knowledge of Bohr diagrams, Lewis symbols, valence electrons, ion charges, cation/anion.
• Teacher Instructions
• Student Instructions
• Investigating Elements & Trends – Version 1
o Atomic Radius, Ionization energy, Electron Affinity
• Investigating Elements & Trends – Version 2
o Atomic Radius, Ionization Energy, Electronegativity
• Investigating Elements & Trends – Version 3
o Atomic Radius, Ionization Energy, Electron Affinity, Electronegativity
• Investigating Elements & Trends – Version 4
o No trends. This version would work best for low level students.
(All items compiled in 1 PDF document. Document cannot be edited.)
***All versions cover group #, period #, metal/nonmetal/metalloid, Bohr diagram, Lewis symbol, valence electrons, charge of ion, cation/anion.
***Each version contains “Element Research”, “Period Research”, and “Group Research” assignments.
Additional Required Materials:
(These items are not included in the purchase.)
• Periodic Table per student
• Element Research Material
o Recommend: Suggested Websites for Periodic Table Research
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