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Day 3: Writing and Interpreting
Chemical Formulas II & Continue PT Assignment
-Worked examples: Identifying the Elemental
Components of Molecular Formulas
-Assignment: Identifying Elements in Molecular Formulas
-Students go to the library and continue periodic table assignment |
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Identifying the Elemental Components of Molecular
Formulas
Students are shown
four models of molecules and given four formulas and are asked to
determine which model goes with which formula. This is designed to give
the students real space meaning to the formulas they are looking at as
wells as the numbering system in the language of chemistry.
As a class, we then look at four formulas of varying
complexity and determine the elemental components of each. The students
are then asked to individually determine the components of two complex
molecules. After these two molecules are discussed as a class, the
Identifying components of molecules assignment is given for homework.
The students are given ten minutes to work on the assignment,
the remainder of the class is spent in the Library working on their
element homework.
Google Search
Students have to
learn how to effectively Google search. With the class, brainstorm terms
that could be used to conduct your Google search. Talk about the
effectiveness of using quotes and identify particular terms that will
help them find their desired material. |
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