IntroductionIn writing this activity, I wanted it to be just enough guidance that students without any specific knowledge of bonding and nomenclature could still interact with the series of challenges. To help with this, the activity starts with a one page crash course on ions, the creation of neutral compounds, and formula/naming standards. Throughout the tasks, students will use puzzle pieces to represent different ions and visually represent the ions "cancelling out". A periodic table with ion charges will be useful in this activity. I recommend using this one but any table with charges should work.
Part 1 - Simple Ionic BinaryThe first challenges start simple with common elements found in the first 20 elements of the periodic table. The tasks provide less and less scaffolding as they go. For example, the top row highlights with the same colors as the puzzle and charges preloaded but the bottom row requires students to look up these values on the periodic table
Part 2 - Multivalent MetalsI have found that one of the most challenging concepts in ionic bonding is naming the multivalent metal present in a compound like Fe₂O₃. This part of the activity introduces the idea of multivalent metals and how to work backwards to figure out the charge of the metal from a compound formula.
Part 3 - Polyatomic IonsA list of polyatomic ions has been provided in part 3 and all examples will pull from these seven common ions. For a longer list, see the back of the periodic table found here. Again, the first page in this section provides a crash course on some of the key details like parentheses and naming conventions when polyatomics are in this mix.
Part 4 | Mixed Practice
Files
MaterialsIf the 3D printed version is a little much, the same hands-on experience can be done with cards that are printed on paper and cut out.
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