Silicon is not separated from other elements in the periodic table. It is located in Group 14, also known as the carbon group, which includes carbon, silicon, germanium, tin, lead, and flerovium. These elements are characterized by having four valence electrons, which means they can form four covalent bonds with other atoms.

Therefore, silicon is not best but one of the most crucial elements, and it is not necessarily separated but categorized, with other Group 14 elements based on their shared chemical properties and atomic structures.