Here's why:

* Covalent Bonding: Graphite is made up of carbon atoms connected by strong covalent bonds within layers.

* Network Structure: These layers are arranged in a sheet-like structure, forming a vast network of interconnected carbon atoms.

* Weak Interlayer Forces: The layers are held together by weak Van der Waals forces, which allows them to easily slide past each other, giving graphite its characteristic slippery feel and ability to conduct electricity.

Let me know if you'd like more details about the structure or properties of graphite!