Empirical formula - the simplest ratio of atoms of each element in a compound.
Molecular formula - the actual number of atoms of each element in a molecule.
Structural formula - shows the unique arrangement of atoms in a molecule in a simplified form without sowing all the bonds.
Displayed formula - shows all the bonds present in a molecule.
Homologous series - a family of organic molecules which all contain the same functional group, but have an increasing number of carbon atoms.
Functional group - an atom or group of atoms which, when present in different molecules, causes them to have similar chemical properties.
Root No. of C atoms
alkane - no double bonds
alkene - double bond
Prefixes (added to the beginning of…