Video shows what octyl means. Any of very many isomeric univalent hydrocarbon radicals, C8H17, formally derived from octane by the loss of a hydrogen atom.
A video explanation of how to draw the Lewis Dot Structure for Octane, along with information about the compound including Formal Charges, Polarity, Hybrid ...
Octane C8H18 Lewis Dot Structure
Draw all the constitutional isomers of the formula C4H8Cl2.
Draw All Constitutional Isomers (C4H8Cl2)