Glass is a/an:
Correct answer: B. Supercooled liquid
- A. Pure solid
- B. Supercooled liquid
- C. Mixture of sodium and calcium
- D. The crystalline form of Na2CO3
- E. Alloy
Explanation
Glass is sometimes called a supercooled liquid because it does not form a crystalline structure, but instead forms an amorphous solid that allows molecules in the material to continue to move, while it is also true that it's a homogeneous mixture of sodium and calcium silicates.
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About Crystalline Solids
Crystalline solids contain particles arranged in a regular repeating lattice described by a unit cell. Their study includes coordination number, packing efficiency, density, anisotropy, cleavage, polymorphism and common crystal systems, along with ionic, molecular, covalent network and metallic crystals. Crystalline order differs from the random arrangement of amorphous solids.
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