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What is the coordination number of cubic tetrahedral type packing of soil spherical particles?
EXPLANATION
Soil Contamination
- Coordination Number in Particle Packing:
- The coordination number represents the number of neighboring spheres in direct mutual contact with any individual sphere in a geometric packing array.
- In body-centered cubic / cubic tetrahedral packing of uniform spheres, each sphere touches exactly 8 surrounding spheres (with theoretical porosity $\approx 39.54\%$). (Correct answer: Option 2)
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