Eyelash Extensions Written Practice Exam

What is a monomer in the context of polymers?

1. A long-chain molecule

2. A molecule that binds chemically to form a polymer

3. A type of polymer used in cosmetics

4. A process for creating polymers

The correct answer is: A molecule that binds chemically to form a polymer

In the context of polymers, a monomer is defined as a small molecule that can chemically bind to other similar molecules to form a larger structure known as a polymer. This definition emphasizes the role of monomers as the building blocks of polymers. When monomers undergo a chemical reaction, typically through processes such as polymerization, they connect and create long-chain molecules that form the backbone of various substances, including plastics and many materials utilized in cosmetics, including those for eyelash extensions. Understanding this relationship is crucial in fields such as chemistry and cosmetic formulation, as it helps in formulating products that are effective, durable, and suitable for their intended use. The other choices either describe types of polymers, processes, or vague terms that do not accurately capture the essential role of monomers in the formation of polymers.