Question

The small units that join to make a polymer are called

Answer 1

Monomers are the small units that join to make a polymer

Answer 2

Hello Saini Rajesh,

Your answer would be monomers.

So,  A polymer is a chain of many small units joined together which are called monomers.

For further explanation;-

Polymers are made of many small molecules linked together. These molecules are linked or "enchained" by covalent bonds. The small molecules that come together to form polymers are called "monomers".