Isomer; are called molecular compounds. There are 3 different varieties.

The isomer, which has 3 different types, is called the molecules that differ in closed and open formulas.
WHAT IS ISOMER
Molecules with the same closed formula and different open formula are called isomers.
Known as a term in the ancient Greek period, isos, with its equal meaning, is a structure that came together over the words meros, that is, part.
TYPES OF ISOMERS
There are 3 different types of isomer. Enzymes using isomers are called isomerases. The types of isomers are as follows:
- – Chain and branch isomerism
- – Positional isomerism
- functional group isomerism