A_________ is a covalent compound made of many small , repeating units linked together in a _________ . The word polymer means ________ . A __________ is a small molecule that forms a link in a polymer chain. The monomer ___________ links together to form polyethylene.

A polymer is a covalent compound made of many small, repeating units linked together in a chain. The word polymer means "many parts." A monomer is a small molecule that forms a link in a polymer chain. The monomer ethylene links together to form polyethylene.