TBLC Featured Resource Elements

Title: Elements
Authors: Lorrie Comeford
Affiliations: Salem State University
Resources available with this module: Readings
Context: General Chemistry I (Undergraduate)
This module is for General Chemistry I which is the first chemistry course taken by undergraduate chemistry and biology majors. It has been used with classes ranging in size from 35 to 40. This is the second TBL module in the course, and it typically takes three 90 minute periods to complete. Topics include: the periodic table, elements, ions, isotopes, molar mass and moles. 

Required Reading

Students are given the following reading guide for a chapter in their textbook. This module was used with Chemistry: A Molecular Approach by Nivaldo Tro (Tro, Nivaldo J. Chemistry: A Molecular Approach, 3rd ed.; Prentice Hall: Upper Saddle River, NJ, 2013.), but it could be adapted for any General Chemistry text. In the text by Tro, students read sections 2.5-2.9 which is about 20 pages. All reading assignments are posted at the beginning of the semester, and students have at least two days to complete the reading.

Objectives

  • Predict the reactivity and physical properties of the elements using the periodic table.
  • Determine the number of protons, neutrons and electrons for a given isotope.
  • Write the symbol for an isotope given the number of protons and neutrons.
  • Determine the number of protons and electrons for a given ion.
  • Use the periodic table to predict the charge on monatomic ions.
  • Identify the location of metals, nonmetals and metalloids.
  • Identify the location of main group elements and transition metals.
  • Name following groups: 1A, 2A, 7A, 8A.
  • Use the Avogadro constant to calculate moles or number of molecules.
  • Use the molar mass to calculate mass or number of moles.
  • Solve quantitative problems using units

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