ISOMERS Flashcards
Molecules that have the same chemical formula but different structures.
Isomers
They all contain the same number of atoms of each element, yet they are arranged and bonded in different ways.
Isomers
C atom (bonds)
4 bonds
H atom (bonds)
1 bond
O or S atom (bonds)
2 bonds
Halogen (F, Cl, Br, I) (bonds)
1 bond
N or P atom (bonds)
3 bonds
a simplified way of showing that a given substance is structurally different from another, although they have the same chemical formula, is by using the
The structural formula
Compounds with the same molecular formula but differ in structure.
Structural isomers
Organic compounds with the same formula, but the arrangements of their carbon skeleton are different.
Chain isomerism
Organic compounds with the same formula, but the arrangements of their carbon skeleton are different.
Chain isomerism
Occurs when the same functional groups are attached to different positions on a carbon chain.
Positional Isomerism
Occurs if different compounds are formed due to the different arrangements of their atoms leading to different functional groups.
Functional Isomerism
Isomers that have the same structural connections, but the branches can probably differ in their location.
Stereoisomers
When an atom or a group of atoms is replaced by a new species.
Substitution