Changes

| style="height:20px; width:150px; text-align:center;" |[[Diamond]] is a '''[[Giant Covalent Structure|giant covalent structure''' ]] where each [[Carbon]] [[atom]] has 4 bonds with [[adjacent]] [[atom]]s.| style="height:20px; width:150px; text-align:center;" |[[Graphite]] has a '''[[Giant Covalent Structure|giant covalent structure''' ]] with each [[Carbon]] [[atom]] has 3 bonds with [[adjacent]] [[atom]]s in a layer with loose [[bond]]s between the layers.| style="height:20px; width:150px; text-align:center;" |[[Graphene]] has a '''[[Giant Covalent Structure|giant covalent structure''' ]] where each [[Carbon]] [[atom]] has 3 bonds with [[adjacent]] [[atom]]s forming a layer that is one [[atom]] thick.| style="height:20px; width:150px; text-align:center;" |[[Fullerene]]s have a '''[[Giant Covalent Structure|giant covalent structure''' ]] where each [[Carbon]] [[atom]] has 3 bonds with [[adjacent]] [[atom]]s forming a [[sphere]].