Graphite is a:

• A. molecular solid
• B. covalent solid
• C. ionic solid
• D. metallic solid

Graphite is classified as a covalent solid. This means that its structure is held together by strong covalent bonds between carbon atoms, forming a layered arrangement. Each layer can slide over the others, which gives graphite its slippery feel and makes it useful as a lubricant.

Characteristics of Graphite

• Structure: Composed of carbon atoms arranged in hexagonal patterns.
• Electrical Conductivity: Can conduct electricity due to the mobility of electrons between layers.
• Physical Properties: Soft and slippery, making it useful in pencils and as a lubricant.

Comparison with Other Solids

Unlike ionic solids, which are held together by electrostatic forces, or metallic solids, which have a sea of delocalized electrons, graphite's unique bonding gives it distinct properties that set it apart in the world of materials.