Introduction to Crystal Structures:
Bond Strength (Pauling's Rule #2)
Summary
A look at Pauling's "electrostatic valency" principle.
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Context
Audience
This exercise is designed for a mid/upper-level undergraduate geology course on the principles of mineralogy.
Skills and concepts that students must have mastered
Students should have knowledge of basic chemistry and of minerals equivalent to what they would learn in an introductory geology class.
How the activity is situated in the course
This activity is the 33rd of 36 mineralogy exercises and is used at the end of the course.
Goals
Content/concepts goals for this activity
- Understand the nature and strength of ionic bonds.
Higher order thinking skills goals for this activity
- Think about crystals as systems governed by fundamental physical/electrostatic laws.
Other skills goals for this activity
Description of the activity/assignment
A look at Pauling's "electrostatic valency" principle.
Determining whether students have met the goals
More information about assessment tools and techniques.Teaching materials and tips
This assignment can be downloaded in Word (RTF) (Rich Text File 26kB Jul7 05) or pdf (Acrobat (PDF) 13kB Jul7 05) format.