What are monomers most commonly used to build?noble gasesradioactive elementspolymers

Monomers are the basic building blocks of polymers. They are small, simple molecules that can chemically combine to form larger, more complex structures known as polymers. Each polymer is made up of repeated units of these monomers connected through covalent bonds.

In contrast, noble gases (such as helium, neon, and argon) are inert elements and do not form polymers; they exist as individual atoms. Radioactive elements, such as uranium or radon, do not typically serve as building blocks for polymers either.

Polymers can include a wide range of materials, such as plastics, proteins, and nucleic acids, which are essential for various biological and synthetic applications. Common examples of monomers that lead to significant polymers include:

1. Ethylene (which forms polyethylene)
2. Propylene (which forms polypropylene)
3. Amino acids (which link to form proteins)
4. Nucleotides (which assemble into nucleic acids like DNA and RNA)

In summary, the most appropriate answer to the question is that monomers are most commonly used to build polymers.