write note on covalent solid
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Covalent solids, also called network solids, are solids that are held together by covalent bonds. As such, they have localized electrons (shared between the atoms) and the atoms are arranged in fixed geometries. Distortion away from this geometry can only occur through a breaking of covalent sigma bonds. As a result, the melting point of covalent solids is extremely high. They also tend to be extremely hard substances that will break into pieces rather than smoothly change shape. We say that they are stiff and brittle.
Examples of covalent solids include diamond and silica (SiO2).
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Covalent solids, also called network solids, are solids that are held together by covalent bonds. As such, they have localized electrons (shared between the atoms) and the atoms are arranged in fixed geometries.
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