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henry3369
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Homework Statement
I'm having trouble figuring out if a solid is a molecular solid or network covalent solid.
Classify the following as a network covalent solid or a molecular solid:
1. CO2
2. SiO2
Homework Equations
Molecular solid held together by intermolecular forces
Covalent network solids are held together by covalent bonds.
The Attempt at a Solution
I know that CO2 is a molecular solid and SiO2 is a network covalent solid, but I'm not sure how I would figure that out. They both have two oxygen atoms, and carbon and silicon have the same number of valence electrons. What makes them different types of solids then?